—How about your trip to Hainan
—It couldn't have been ______. Sometimes I went swimming in the sea; sometimes I lay on the sand.

单项选择题Bats are surprisingly long-lived creatures, some ______ a life span of around 20 years.

单项选择题Unless he ______ to help us, we shall lose the game.

单项选择题It was said that he died（）a fever.

A. in
B. by
C. of
D. from

单项选择题During the war there was a serious lack of food. It was not unusual that even the wealthy families had to ______ bread for days.

单项选择题墨子的教育思想中，除注重文史知识的掌握和逻辑思维能力的培养外，还包括( )。

单项选择题普通语言学可以帮助人们认识和掌握英语教学的( )。

单项选择题The experiment has（）the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.

A. found out
B. pointed out
C. ruled out
D. carried out

多项选择题人际关系的功能主要体现在哪些方面( )

多项选择题教学内容的开放性，提倡( )。