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【单选题】
取水样便制成悬滴或压滴标本，在暗视野见来回穿梭似流星状运动的细菌应疑似为
A.
产气肠杆菌
B.
小肠耶尔森菌
C.
霍乱弧菌
D.
大肠埃希茵
E.
铜绿假单胞菌
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【单选题】Unless we spend money to spot and pr asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteoroids (流星) that...
A.
It is very unlikely, but the er exists.,
B.
Such a collision might occur once every 25 years.
C.
Collisions of smaller asteroids with Earth occur more often than expected.
D.
It’s still too early to say whether such a collision might occur.
【单选题】Space is a erous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away
【单选题】23岁，男性，腹泻一日，大便6～7次/日，为水样便，无发热及里急后重感，便常规：脓细胞0～5/HP，便涂片染色，见Gˉ短小弯曲杆菌，悬滴检查：见细菌活动力强，这种细菌最可能是
A.
痢疾杆菌
B.
大肠杆菌
C.
伤寒杆菌
D.
霍乱弧菌
E.
肠道弯曲杆菌
【单选题】Space is a erous place, not only because of meteors (流星) but also because of rays from the sun and other stars．The atmosphere again acts 【C1】______ our protective blanket on 【C2】______ ．Light gets...
A.
for
B.
with
C.
on
D.
as
【单选题】Space is a erous place, not only because of meteors(流星) but also because of rays from the sun and other stars. The atmosphere again acts as our protective blanket on earth. Light gets through, and...
A.
The Atmosphere and Our Environment
B.
Research on Radiation
C.
Effects of Space Radiation
D.
Importance of Protection Against Radiation
相关题目：
【单选题】Unless we spend money to spot and pr asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteoroids (流星) that...
A.
It is very unlikely, but the er exists.,
B.
Such a collision might occur once every 25 years.
C.
Collisions of smaller asteroids with Earth occur more often than expected.
D.
It’s still too early to say whether such a collision might occur.
【单选题】Space is a erous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away
【单选题】23岁，男性，腹泻一日，大便6～7次/日，为水样便，无发热及里急后重感，便常规：脓细胞0～5/HP，便涂片染色，见Gˉ短小弯曲杆菌，悬滴检查：见细菌活动力强，这种细菌最可能是
A.
痢疾杆菌
B.
大肠杆菌
C.
伤寒杆菌
D.
霍乱弧菌
E.
肠道弯曲杆菌
【单选题】Space is a erous place, not only because of meteors (流星) but also because of rays from the sun and other stars．The atmosphere again acts 【C1】______ our protective blanket on 【C2】______ ．Light gets...
A.
for
B.
with
C.
on
D.
as
【单选题】Space is a erous place, not only because of meteors(流星) but also because of rays from the sun and other stars. The atmosphere again acts as our protective blanket on earth. Light gets through, and...
A.
The Atmosphere and Our Environment
B.
Research on Radiation
C.
Effects of Space Radiation
D.
Importance of Protection Against Radiation
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