1 . It is strongly r________ (建议) that stress be laid on quality rather than package. (根据中英文提示单词拼写)

2 . 我花了好几天来准备和写我的第一篇英语论文。（spend...(in) doing）(汉译英）

3 . I was about to leave ________ a hungry bear approached me and charged at me. (用适当的词填空)

4 . —The weather forecast says it’s going to rain tomorrow.
—Well, I prefer___________ rather than___________ on a rainy day.

A．going out; staying at home

B．to stay at home; go out

C．going out; stay at home

D．staying at home; to go out

5 . Human activity is _______the number of monarch butterflies is falling.
人类活动是造成黑脉金斑蝶数量下降的主要原因。