the development and application of the composite materials, we should
put ____ as the top priority.
A: Designability
B: Safety
C: Adaptability
D: Cost-effective
举一反三
- The<br/>safety coefficient of the capacity of composite materials is usually<br/>____ times of metal materials. A: 0.8-0.9 B: 1.0-1.25 C: 1.15-1.2 D: 1.5-2.0
- We are all for your suggestion that the trip ________ [br][/br]A) is to put off [br][/br]B )was put off [br][/br]C) should put off [br][/br]D) be put off
- The<br/>committee has put development as the priority of economic reforms. A: policy B: aim C: first D: rule
- According<br/>to the ratio between composite materials and structural weight, which<br/>of the following used most composite materials? ____. A: F-22 B: A380 C: A400M D: B787
- The development of the national economy is a top priority.
内容
- 0
The problem of unmanned vehicles include_____?(). A: The<br/>cost is very high B: It can't be put into real commercial and home use. C: Safety<br/>is not enough. D: The<br/>algorithms are not complete.
- 1
We<br/>have to ( ) the cost of setting up a new hospital in that area. A: work<br/>out B: put<br/>on C: fill<br/>up D: carry<br/>on
- 2
For the sake of safety, we are all for your proposal that the meeting _____. A: be put off B: was put off C: should put off D: is to put off
- 3
What should we<br/>do in writing a scientific paper? A: In order to<br/>emphasize our views, we should put our strong emotions into the text. B: Slightly present<br/>our political comments is allowed. C: We should follow<br/>the mainstream ideas of general public. D: We should present<br/>facts, theories, proofs, experiments, testing results objectively.
- 4
According to source, composite materials divided into: （） A: conductive composite materials B: natural composite materials C: artificial composite materials D: damping composites