高一英語A lesson in a lab單元學(xué)案
8）his parents were ________ (吃驚的) at what he said.
9）it’s important for us to keep the ________ (平衡) of nature.
10）when you heat a metal ,it ______(膨脹).
ⅳ單項選擇
1. i am proud ________what i have done.
a. for b. in c. of d. to
2. there are only ________natural resources as there were thirty years ago.
a. as half much b. as half many c. half so much d. half as many
3. her hair's the same colour ________.
a. of her mother b. as her mother c. with her mother's d. as her mother's
4. would you please put these sentences ________? they are jumbled now.
a. in the order b. in order c. to the order d. to order
5. medical experts of china are devoted to ________the ________of sars and ways
of dealing with it.
a. finding out; cause b. find out; cause c. finding out; reason d. find out; reason
6. ________you forget it, ________you'll suffer from it.
a. sooner; less b. the earlier; less
c. the earlier; the less d. the sooner; the less
7. the great wall has been ________several times. the repair work is done every year.
a. added b. adding to c. added to d. added in
8. you can't, imagine that rats eat 40 to 50 times ________.
a. in weight b. by weight c. of weight d. their weight