八年級(jí)英語下冊Review of units 1—3知識(shí)講解
(2)在具有否定意義的句中，三者可以相互轉(zhuǎn)換，但應(yīng)注意too…to在和enough to do sth. 與so…that…轉(zhuǎn)換時(shí)，應(yīng)用句中形容詞的反義詞或?qū)hat從句改為否定句。
如：
he is too young to join the army.
→he is so young that he can’t join the army.
或：he isn’t old enough to join the army.
(3)如果so…that…結(jié)構(gòu)中主句和從句的主語不是一致的，應(yīng)在enough to do sth和too…to結(jié)構(gòu)中的不定式前加上“for sb.（sth.）”的短語。
如：
english is so useful that all of us should learn it well.
→english is useful enough for us to learn well.
the maths problem is so difficult that i can’t work it out.
→the maths problem is too difficult for me to work out.
或: the maths problem isn’t easy enough for me to work out.
3. like后既可接動(dòng)詞-ing形式，也可接動(dòng)詞不定式。含意卻有所不同。
如：
he likes swimming in summer.（表示習(xí)慣愛好）
it’s very hot. he would like to（have a）swim.
(表示具體的一次行為)：hate等也有類似的用法。
三. 綜合檢測
ⅰ. 看圖，根據(jù)句意將單詞填寫完整。
1. the new hospital is a big b_ _l_ _ng.
2. some sc_ _nt_ _ts believe that there will be such robots in the future.
3. they help their mother with the h_ _s_ _ork.
4. we buy a t_ _k_t to get a seat on a bus，train，or airplane.
5. it’s a lovely p_rr_t，isn’t it?
6. there is a big k_t_h_n in the house.
ⅱ. 單項(xiàng)選擇
1. there is going to ______ a sports meeting in our school next week.
a. be b. have c. open d. hold
2. ______ i open the window? it’s so warm here.
a. must b. will c. shall d. would
3. he doesn’t know _____ english because he has studied it for only ______ weeks.
a. much， a few b. little， few c. few， a little d. a few，a little
4. －______ is it from our school to beijing?
－about half an hour’s bus ride. shall we go and visit it?
a. how long b.how often c how far d. how much
5. the sun is _______ from us than the moon.
a. more father b. much farther c. very far d. more far
6. there _______ a sports meeting in our school next week.
a. will have b. will be c. will hold d. was
7. this film is worth _______.
a. read b. reading c. seeing d. to read
8. there are _____ people in the park during holidays.
a. so many b. such many c. many too d. many such