举一反三
- The _________ of mental disorders has proved to be very difficult.
- The use of electrical appliances has been quite popular in the Western world.
- Wide use of the Internet has made _____dating very popular.
- the use of signal
- a fixed signal that lets engineers know if a train can enter a block. A: ABS (automatic block system) B: lock C: lock signal
内容
- 0
What is the location when the neuron's electrical signal changes to a chemcial signal? A: axon B: synapse C: myelin sheath D: nucleus
- 1
We can use the word “squint” to describe the situation that we move our head quickly to see something instead of focusing on that thing for very long.
- 2
What can be omitted when translating the sentence “the network proved to be a valuable tool for research and communication”?
- 3
这个公司有高级工程师30人,工程师70人,工人200人,共有职工300人。 A: This company has 30 senior engineers, 70 engineers, and 200 workers, a staff of 300 people. B: This company has a staff of 300 people, 30 senior engineers, 70 engineers, and 200 workers. C: This company has a staff of 300 people, including 30 senior engineers, 70 engineers, and 200 workers. D: This company includes 30 senior engineers, 70 engineers, and 200 workers, having a staff of 300 people.
- 4
If you husband something valuable, you use it _____ .