What will the college students do for the high school students(). A: Employ them as lab assistants. B: Teach classes at their high school. C: Help them with their studies. D: Pay them for participating in the study.

Bats (are able) to (guide them) by producing sound waves (too high) for us (to hear). A: are able B: guide them C: too high D: to hear

______ is really hard ______ them to climb such a high mountain. A: This; to B: It; to C: This; for D: It; for

Dispose of batteries properly. Do not throw them into fire or＿ high temperature.

Water attains the boiling temperature quicker in the high elevations than at the low level. Because: A: . the air pressure is lower at high elevations B: . the gravitational force is low in the mountains C: . the sunlight is high in the higher elevations D: . All of them

If the pound’s value is high, British ______ will spend their money abroad because the pound will buy them more.(invest)

Managers placed high in the chain of command carry more responsibility and greater authority than managers below them

To keep your employees, you are advised to（） A: recognize and meet their needs B: identify and overcome their faults C: offer them a salary as high as possible D: provide them with a better working condition

It may not ______ high income, but it can make them feel proud. A: take B: afford C: cause D: bring

Para.1： There has been a general consensus that ...... A: college will help them get a job. B: college will help them earn more money. C: all high school graduates ought to go to college.