当失访比例超过一定数量时,会影响评价结果,这个数值是()。
A.5%
B.10%
C.15%
D.20%
E.25%
参考答案:B
下述氨基酸中属于人体必需氨基酸的是()
A.甘氨酸
B.组氨酸
C.苏氨酸
D.脯氨酸
E.丝氨酸
根据句意用所给词的适当形式填空(10分)
小题1:Mr. Green uses a lot of games in his ___________.(teach )
小题2:My uncle _________(dead) three years ago.
小题3:She _______(forget) to turn off the light when she left the room.
小题4:We can see many_______________( farm) working on the farm..
小题5:France is in _______________(west) Europe.
小题6:We can learn many_____________things about the tower if we listen to the guide carefully.(interest)
小题7:The cat is so small, and we should take good__________(careful) of it.
小题8:My mother often encourages me ____________(study) hard and enter a famous university.
小题9:The statue(雕像)is in the______________(central) of the park.
小题10:The rich man donated( 捐赠 )a lot of money. The___________(receive) are from the poor countryside.