更多"Disease -carrying insects become im"的相关试题:
[单项选择]Disease -carrying insects become important where human being are crowded together.（）
A. 在人们聚集在一起的地方，带病昆虫的问题就变得很严重。
B. 在人们居住的地方，带病昆虫在控制人口过剩问题方面起着重要作用。
C. 在人们密集地区，带病昆虫成为一个严重的问题。
D. 带病昆虫是人们密集地区必不可少的。
[单项选择]ENTOMOLOGY : INSECTS::
A. (A) rhetoric : morals
B. (B) logistics: reasoning
C. (C) theology : truth
D. (D) epistemology : knowledge
E. (E) ethics : ceremony
[单项选择]When insects feed on decaying plant material in a compost pile, they help turn it into useful garden soil.
A. available
B. organic
C. distasteful
D. decomposing
[单项选择]Our attempt to eliminate insects and other pests from the property did not go as ______ .
A. plan
B. plans
C. planned
D. planning
[单项选择]How many kinds of insects are helpful to people
[单项选择]Which of the following is not true about insects
A. Insects can see more colours than human beings.
B. Insects can see ultraviolet rays which are invisible to man.
C. All insects have their favorite colours.
D. The world is more colorful to insects than to human beings.
[单项选择]What should be done to prevent insects from eating into the water harvesting system at the bottom
A. The two bags holding the water should be put inside the metal tank.
B. The inner bags need to be replaced every two years.
C. The water harvesting system should be built on a platform.
D. A cover should be used to prevent insects from eating it.
[单项选择]Insects live ______.
A. in bushes
B. in the ground
C. on some animals
D. all of the above
[单项选择]Which of the following is NOT true about insects
A. Insects can see more colours than human beings.
B. Insects can see ultraviolet rays which are invisible to men.
C. All insects have their favorite colours.
D. The world is more colorful to insects than to human beings.
[单项选择] In this way these insects show an efficient use of their (sound-produced) ability, (organizing) two sounds (delivered) at a high rate as one (call).
A. sound-produced
B. organizing
C. delivered
D. call
[单项选择]It can be inferred from the passage that insects do not have______.
A. brains
B. backbones
C. nerve cells
D. reflexes
