2 Of all the factors affecting agricultural yields, weather is the one _____the most.
A. it influences farmers B. that influences farmers
C. farmers that it influences D. why farmers influence it
如果一句子出现了谓语动词,再出现动词则可能是:
① 并列关系 ② 从句 ③ 非谓语动词 ④ 介词短语
answer: B
3 By tracking the eye of a hurricane, forecasters can determine the speed at which_____
A. is a storm moving B. a storm is moving C. is moving a storm D. a moving storm
Which 后接的是定语从句,且是at which 在句中作成份
at which = at the speed
answer: B 如: This is the river in which I swim.
4 During the flood of 1927, the Red Cross, _____out of emergency headquarters in Mississppi, set up temporary shelters for the homeless.
A. operates B. is operating C. has operated D. operating
Answer: D
6 During an eclipse of the sun, _____in the shadow of the Moon.
A. the Earth lies B. the Earth when lying C. that the Earth lies D. the lying Earth
Answer: A 少了主语和谓语动词