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【单选题】

Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points)18()

A.at
B.to
C.on
D.by

A.
Air is (1) , and like all matter, it has weight. Weight is the measure of the (2) of gravity (3) matter. If a scale registers 10 kilograms when a stone is placed on it, this means that gravity pulls the stone with that (4) force. (5) , earth’ s gravity pulls on each (6) of gas and dust on the atmosphere. Because our atmosphere is a. vast (7) of air, it has (8) . If it could (9) be compressed and put on a (10) of scales, it would weigh about 5,700,000,000,000,000 (quadrillion) metric tons.
B.
The air pressed down on us and against us (11) all sides. Something (12) a ton of air is pressing against you at this moment. You are not (13) of this because air pressure within your body (14) the pressure of the air outside.
C.
Air pressure is 1. 036 kilograms per square centimeter (14.7 pounds per square inch) at sea (15) . It is greatest there because that is the (16) of the atmosphere. (17) higher altitudes the pressure is (18) . That is why the (19) of highflying planes are pressurized. They are designed to (20) the air pressure our bodies must have.
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参考答案:
举一反三

【单选题】女性,33岁,哺乳期发现炎性乳腺癌,乳腺腺皮肤橘皮样变,肿块侵及整个乳房,治疗方案宜选择

A.
乳癌改良根治术+三苯氧胺治疗
B.
肿块切除+放射治疗
C.
乳腺单纯切除术
D.
乳腺扩大根治术
E.
术前放射治疗十全身化疗后,行乳腺单纯切除术并继续化疗

【单选题】What happens to those insects when not killed by the spray of insecticide

A.
They may lose their ability to produce offspring.
B.
They may have a higher ability to adapt to the environment.
C.
They move to other fields free from insecticide.
D.
They never eat again those plants containing insecticide.

【多选题】公安机关的基本职能是( )。

A.
打击职能与预防职能
B.
专政职能与民主职能
C.
对内职能与对外职能
D.
侦查职能与治安行政管理职能

【单选题】女性,69岁,右乳癌直径1.Scm,腋淋巴结无癌转移,雌孕激素受体阳性,治疗方案宜选择

A.
乳癌改良根治术+三苯氧胺治疗
B.
肿块切除+放射治疗
C.
乳腺单纯切除术
D.
乳腺扩大根治术
E.
术前放射治疗十全身化疗后,行乳腺单纯切除术并继续化疗

【单选题】That Africa and South America were once joined can be deduced from the fact that () A.the two continents are still moving in opposite directions B.they have been found to share certain geological feat...

A.
Text 4
B.
Scattered around the globe are more than 100 small regions of isolated volcanic activity known to geologists as hot spots. Unlike most of the world’ s volcanoes, they are not always found at the boundaries of the great drifting plates that make up the earth’ s surface; on the contrary, many of them lie deep in the interior of a plate. Most of the hot spots move only slowly, and in some cases the movement of the plates past them has left trails of dead volcanoes. The hot spots and their volcanic trails are milestones that mark the passage of the plates.
C.
That the plates are moving is not beyond dispute. Africa and South America, for example, are moving away from earth other as new material is injected into the sea floor between them. The complementary coastlines and certain geological features that seem to span the ocean are reminders of where the two continents were once joined. The relative motion of the plates carrying these continents has been constructed in detail, but the motion of one plate with respect to another cannot readily be translated into motion with respect to the earth’ s interior. It is not possible to determine whether both continents are moving in opposite directions or whether one continent is stationary and the other is drifting away from it. Hot spots, anchored in the deeper layers of the earth, provide the measuring instruments needed to resolve the question. From an analysis of the hot spot population it appears that the African plate is stationary and that it has not moved during the past 30 million years.
D.
The significance of hot spots is not confined to their role as a frame of reference. It now appears that they also have an important influence on the geophysical processes that propel the plates across the globe. When a continental plate comes to rest over a hot spot, the material rising from deeper layer creates a broad dome. As the dome grows, it develops seed fissures(cracks); in at least a few cases the continent may break entirely along some of these fissures, so that the hot spot initiates the formation of a new ocean. Thus just as earlier theories have explained the mobility of the continents, so hot spots may explain their mutability(inconstancy).

【单选题】治疗妊娠期高血压脾虚证,应首选

A.
天仙藤散
B.
白术散
C.
真武汤
D.
肾气丸
E.
四苓散
相关题目:
【单选题】女性,33岁,哺乳期发现炎性乳腺癌,乳腺腺皮肤橘皮样变,肿块侵及整个乳房,治疗方案宜选择
A.
乳癌改良根治术+三苯氧胺治疗
B.
肿块切除+放射治疗
C.
乳腺单纯切除术
D.
乳腺扩大根治术
E.
术前放射治疗十全身化疗后,行乳腺单纯切除术并继续化疗
【单选题】What happens to those insects when not killed by the spray of insecticide
A.
They may lose their ability to produce offspring.
B.
They may have a higher ability to adapt to the environment.
C.
They move to other fields free from insecticide.
D.
They never eat again those plants containing insecticide.
【多选题】公安机关的基本职能是( )。
A.
打击职能与预防职能
B.
专政职能与民主职能
C.
对内职能与对外职能
D.
侦查职能与治安行政管理职能
【单选题】女性,69岁,右乳癌直径1.Scm,腋淋巴结无癌转移,雌孕激素受体阳性,治疗方案宜选择
A.
乳癌改良根治术+三苯氧胺治疗
B.
肿块切除+放射治疗
C.
乳腺单纯切除术
D.
乳腺扩大根治术
E.
术前放射治疗十全身化疗后,行乳腺单纯切除术并继续化疗
【单选题】That Africa and South America were once joined can be deduced from the fact that () A.the two continents are still moving in opposite directions B.they have been found to share certain geological feat...
A.
Text 4
B.
Scattered around the globe are more than 100 small regions of isolated volcanic activity known to geologists as hot spots. Unlike most of the world’ s volcanoes, they are not always found at the boundaries of the great drifting plates that make up the earth’ s surface; on the contrary, many of them lie deep in the interior of a plate. Most of the hot spots move only slowly, and in some cases the movement of the plates past them has left trails of dead volcanoes. The hot spots and their volcanic trails are milestones that mark the passage of the plates.
C.
That the plates are moving is not beyond dispute. Africa and South America, for example, are moving away from earth other as new material is injected into the sea floor between them. The complementary coastlines and certain geological features that seem to span the ocean are reminders of where the two continents were once joined. The relative motion of the plates carrying these continents has been constructed in detail, but the motion of one plate with respect to another cannot readily be translated into motion with respect to the earth’ s interior. It is not possible to determine whether both continents are moving in opposite directions or whether one continent is stationary and the other is drifting away from it. Hot spots, anchored in the deeper layers of the earth, provide the measuring instruments needed to resolve the question. From an analysis of the hot spot population it appears that the African plate is stationary and that it has not moved during the past 30 million years.
D.
The significance of hot spots is not confined to their role as a frame of reference. It now appears that they also have an important influence on the geophysical processes that propel the plates across the globe. When a continental plate comes to rest over a hot spot, the material rising from deeper layer creates a broad dome. As the dome grows, it develops seed fissures(cracks); in at least a few cases the continent may break entirely along some of these fissures, so that the hot spot initiates the formation of a new ocean. Thus just as earlier theories have explained the mobility of the continents, so hot spots may explain their mutability(inconstancy).
【单选题】治疗妊娠期高血压脾虚证,应首选
A.
天仙藤散
B.
白术散
C.
真武汤
D.
肾气丸
E.
四苓散
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