Yuan Longping，known as the father of hybrid rice，helped lift the nation out of hunger.People will never forget .

A．meB．himC．them

﹣﹣﹣ Jenny，I can't solve the problems by myself.What should I do？

﹣﹣﹣ Maybe working in groups is a good .

A．methodB．surveyC．report

﹣﹣﹣ To our eyesight，we'd better relax for a while after reading for a long time.

﹣﹣﹣ I agree with you.

A．harmB．protectC．examine

﹣﹣﹣ The computer desk in the store is so that I can't afford it.

﹣﹣﹣ Why not buy a second﹣hand one on the Internet？

A．largeB．heavyC．expensive

﹣﹣﹣ I can't sleep well these days.

﹣﹣﹣ Doing sports can help you sleep .

A．simplyB．deeplyC．weekly