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【单选题】
白蚁的口器中能切断和磨碎食物的是（）。
A.
上唇
B.
上颚
C.
下颚
D.
下唇
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参考答案：
举一反三
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man’s life. For years sc...
A.
It is the production by termites that is now of greater concern.
B.
What scientists worry more about is the output from burning fuels.
C.
The output from burning fuels is now rising steadily.
D.
The burning of fuels generates much less carbon dioxide than termites do.
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man's life. For years sc...
A.
low temperatures are created by using a house
B.
the house is made green in order to keep heat
C.
heat is prevented from escaping outside
D.
everything is kept green in a house
【单选题】切断肺结核传播途径的最有效措施是( )。
A.
增强所有公民的免疫力
B.
在全民范围内进行科普宣传
C.
帮助病人与防痨机构沟通
D.
隔离并治疗痰菌涂片阳性病人
E.
给所有应接种卡介苗者接种
相关题目：
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man’s life. For years sc...
A.
It is the production by termites that is now of greater concern.
B.
What scientists worry more about is the output from burning fuels.
C.
The output from burning fuels is now rising steadily.
D.
The burning of fuels generates much less carbon dioxide than termites do.
【单选题】There are approximately three quarters of a ton of termites (白蚁) for every person on Earth. It now turns out that these critters may be helping to alter the climate and affect man's life. For years sc...
A.
low temperatures are created by using a house
B.
the house is made green in order to keep heat
C.
heat is prevented from escaping outside
D.
everything is kept green in a house
【单选题】切断肺结核传播途径的最有效措施是( )。
A.
增强所有公民的免疫力
B.
在全民范围内进行科普宣传
C.
帮助病人与防痨机构沟通
D.
隔离并治疗痰菌涂片阳性病人
E.
给所有应接种卡介苗者接种
参考解析：
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