1(1)231.Choosing what to eat is no longer as easy as it once was.(SB U13)Ⅰ选择吃什么东西不再像以前那么容易了。4what to do 是“疑问词 + 不定式”的结构，在句中作宾语，另外这一结构也可作主语、表语、定语等。例如：What to do next hasn’t been decided yet. （主语）下一步该做什么还没有决定。5The question is how to finish the work in time. （表语）问题是如何按时完成这项工作。The key with which to open the door has been lost.开这扇门的钥匙不见了。（定语） ①All the students except John ______________________________( 知道怎么回答这个问题 ), because he fell asleep in class.②They exchange their views ________________________________( 关于选谁的问题 ) ．③I've worked with children before, so I know what ______ in my new job.A. expected B. to expect C. to be expecting D. expects7【答案】①knew how to answer the question②on the question of whom to elect③B to expect 充当宾语。82. Only in that way will we be ready for the challenges and opportunities in life. (SB ⅠU13)只有这样我们才能作好充分准备，以应对生活中的挑战与机遇。9(1)“only+ 状语”置于句首时要用倒装句。即： only+ 副词 / 介词短语 / 状语从句＋助动词＋主语＋谓语动词(2)“only+ 主语”位于句首时，主谓不能倒装。Only Mary phoned me today. 只有玛丽今天给我打了电话。 ①______________________( 只有改变我们的生活方式我们才能 ) save the earth. ②______________________( 只 有 当 孩 子 长 大 时 才 ) understand his parents' intention. ③______ you eat the correct foods ______ be able to keep fit and stay healthy.(2008 江苏卷 )A. Only if; will youB. Only if; you willC. Unless; will youD. Unless; you will11【答案】①Only by changing the way we live can we②Only when a child grows up does he③A 句意：只有正确饮食，你才能保持身材与健康。 only+ 状语位于句首时，句子用倒装，此句为 only+if 引导的条件状语从句。123.We must do as mu...
