问题 判断题

G+C克分子百分比相同的细菌,未必是种类相同或相近的种属。()

答案

参考答案:对

选择题
阅读理解

Students often complain(抱怨)their teachers give them too much homework . Now , two reports show that in America this is not true .

The Brookings report shows that most students do less than one hour of homework . The Rand report shows that only 10% of high school students spend more than two hours a night on homework .

The Brookings report also talks about a study from 1995 . American students do almost the least homework among twenty countries . Students in France , Italy and South Africa spend more than two hours on homework .

The Rand report says there was only one time when homework greatly increased in America .During the early 1960s , Americans were not happy when the former Soviet Union (前苏联)became the first country to reach space . People thought it was necessary to improve education .

Parents want their children to have time for sports , music lessons and other things after school. some experts say schools need to give useful homework .

小题1:Students are not happy about _________ .

A.too much homework

B.going to school

C.less homework

D.stay at home小题2:French students usually spend _______ on homework than American students .

A.more time

B.less time

C.more daytime

D.two hours小题3:_______ shows homework once greatly increased in America .

A.The Brookings report

B.The Rand report

C.A university

D.A piece of news小题4:The former Soviet Union was  the _______ to get to space .

A.first

B.second

C.third

D.forth小题5:Some experts think __________ .

A.students don’t work hard enough

B.students should not do any homework

C.homework is welcome if it is useful

D.it isn’t necessary for students to do homework