更多"In the metals industry, hydrogen is"的相关试题:
[单项选择]However, growth in the fabricated metals industry was able to ______ some of the decline in the iron and steel industry.
A. overturn
B. overtake
C. offset
D. oppress
[单项选择]However,growth in the fabricated metals industry was able to _____ some of the decline in the iron and steel industry.
A. overturn
B. overtake
C. offset
D. oppress
[单项选择]Laser beams can be used to {{U}}bore{{/U}} metals and other hard materials.
A. trim
B. melt
C. drill
D. slice
[单项选择]China's computer industry used to focus ______ .
A. more on hardware than on softeware
B. more on software than on hardware
C heavily both on hardware and software
[单项选择]Computers are already widely used in industry and in universities and the time may come when it ______ possible for ordinary people to use them as well.
A. is
B. will be
C. must be
D. may be
[单项选择]A new task facing biological security is to prevent ______ diseases and misuse of deadly agents.
A. ethnic
B. essential
C. epidemic
D. exterior
[单项选择]Hydrogen ______.
A. is a widely-used fuel
B. is not yet in general use as a fuel
C. is not a particularly easy fuel to store
D. is a more economical fuel than wind energy
[单项选择]Liquid hydrogen should be stored in stainless steel tanks with double walls filled with __________.
A. insulation
B. module
C. accessory
D. capsule
[单项选择]Hydrogen is the fundamental element of the universe ______ it provides the building blocks from which the other elements are produced.
A. so that
B. but that
C. in that
D. provided that
[填空题]The explosion of a hydrogen bomb is the result of uncontrolled nuclear fusion. It is the most terrible weapon of war which man has invented（）.
[单项选择]All metals are found not to conduct electricity equally well.
A. 人们发现，并不是所有金属的导电性能都一样好。
B. 人们发现所有金属不能同等用来导电。
C. 所有金属被发现不能同样好地发电。
D. 人们发现的所有金属并不都是为了很好地发电。
[单项选择]As the shortage of certain metals approaches, others must be found to take their ______
A. share
B. role
C. place
D. shape
