更多"Plastic bags are useful for holding"的相关试题:
[单项选择]Plastic bags are useful for holding many kinds of food, ______ their cleanness, toughness and low cost.
A. by virtue of
B. in addition to
C. for the sake of
D. as opposed to
[单项选择]How many kinds of migrating mammals are mentioned in the passage （）
A. Four.
B. Three.
C. Two.
D. One.
[单项选择]How many kinds of advertisements are mentioned in the passage
A. 7.
B. 5.
C. 4.
D. 6.
[单项选择]Many useful tools and techniques are used in developing schedule． (72) is a schedule network analysis technique that modifies the project schedule to account for limited resource．
A. PERT
B. Resource levelling
C. Schedule compression
D. Critical chain method
[单项选择]Metal has many useful properties, of which strength is the most important.
A. 金属在诸多特性中以强度最为重要。
B. 具有强度的金属有多种用途。
C. 金属有许多有用性能，其中强度最为重要。
D. 金属坚硬耐磨才是其最重要的性能。
[单项选择]How many kinds of insects are helpful to people
[单项选择]Without immediate action, many kinds of wild animals would die from hunger.
A. 如果立即采取行动，动物就会饿死。
B. 如果不立即采取行动，许多野生动物就会因饥饿而死亡。
C. 不立即行动，动物就会因饥饿而死亡。
D. 如果不立即行动，许多种动物就会因饥饿而死亡。
[单项选择]How many kinds of animals are talked about in the passage
[单项选择]Many doctors cure various kinds of diseases, but the tendency is toward __________ in medicine.
A. specialization
B. specialty
C. specification
D. spectator
[单项选择]The standard（）in C language contain many useful functions for input and output ， string handing，mathematical computations，and system programming tasks.
A. database
B. files
C. libraries
D. subroutine
[单项选择]By saying that many kinds of fiction are self - explanatory ('the first sentence of paragraph 2), the author means ______.
A. they are easy to understand
B. they are meant for ordinary readers
C. they often use horror to develop their plots
D. their categories show what they are about
[单项选择]Science is still （） of the causes of many kinds of cancer.
A. ignorant
B. unconscious
C. conscious
D. informed
[单项选择]It is easy for many kinds of insects to live in the desert because ______.
A. They only need a little food to survive
B. they are not afraid of the heat
C. They are too small to be attacked by other animals
D. they have a skin which is against water
[单项选择]When the sun rises or sets, the sky has many kinds of colors except for __________.
A. red
B. pink
C. gray
D. orange
[单项选择]All over the world, many kinds of the drugs are used by athletes competing in sports.
A. 在全世界，多种药物被运动员比赛时服用。
B. 世界各国的许多运动员在比赛时服用药品。
C. 许多运动员在世界范围内服用毒品。
D. 参加体育比赛的世界各国运动员都要服用各种药物。
[单项选择]There are so many kinds of radios in the shop. I can't decide ______.
[单项选择]There are many kinds of synthetic materials,______ plastics are the most common.
A. between which
B. of which
C. in which
D. among which
