【正文】
I’m still hungry though I’ve just had a big hamburger. (line 28) adjective not moving Can’t you sit still? B Complete the report clearly. The air sometimes smells very bad. Do you know what (1) this? One (2) is traffic. Dose anyone have an (3) to the problem of global warming? So far even scientists can’t (4) this question. In some countries you can see people without (5) sleeping on the streets. It’s difficult to (6) all the people who need homes. In some other countries, the price of food (7) every year. Poor people often have to go hungry because they cannot afford the (8) . 答案: causes cause answer answer houses house increases increase Step 3. Explain more words of the text. observe (page 2, line 14) As Polly observed the passengers on the train, she sensed that she was being watched by a tall man in a dark coat. 釋義: a. to see or notice sb / sth 看到 注意到 觀察到 b. to watch sb / sth carefully 觀察;監(jiān)視 c. to obey rules, laws, etc 遵守(規(guī)則、法律等) 練習(xí) 1:猜猜下面各句中的 observe的含義與上面哪種釋義相匹配。 _____1) The speed limit must be strictly observed. c _____2)The far side of the moon is difficult for us to observe. a _____3) they are observing