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【判断题】
发现月季叶蜂幼虫可用雷达、等气雾杀虫剂喷杀。
A.
正确
B.
错误
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【单选题】很多国家已停止使用含铊的杀虫剂。元素周期表中铊的数据见右图，下列说法正确的是
A.
TI元素是一种主族元素
B.
TI元素的相对原子质量是204
C.
铊元素的质量数是204.4
D.
TI原子最外层有3个能量相同的电子
【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food．Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...
A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.
【单选题】Consider the following scenario: Ronald a mechanical engineer is currentlyworking on a project of an agricultural machine. This machine performs varioustasks, which are as follows: * Sprinkling pestic...
A.
Sowing seeds Sprinkling pesticides Removingweeds Reaping
B.
Sprinkling pesticides Reaping Sowingseeds Removingweeds
C.
Removing weeds Sowingseeds Reaping Sprinklingpesticides
D.
Sowing seeds Reaping Removingweeds Sprinklingpesticides
相关题目：
【单选题】很多国家已停止使用含铊的杀虫剂。元素周期表中铊的数据见右图，下列说法正确的是
A.
TI元素是一种主族元素
B.
TI元素的相对原子质量是204
C.
铊元素的质量数是204.4
D.
TI原子最外层有3个能量相同的电子
【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food．Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...
A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.
【单选题】Consider the following scenario: Ronald a mechanical engineer is currentlyworking on a project of an agricultural machine. This machine performs varioustasks, which are as follows: * Sprinkling pestic...
A.
Sowing seeds Sprinkling pesticides Removingweeds Reaping
B.
Sprinkling pesticides Reaping Sowingseeds Removingweeds
C.
Removing weeds Sowingseeds Reaping Sprinklingpesticides
D.
Sowing seeds Reaping Removingweeds Sprinklingpesticides
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