练习题

1 These small households were portraits of

independence: the entire family, mother, father,

children, even grandparents live in a small house

and working together to support each other. 1.__________

2 In the meantime the unscientific world awoke

to the fact that scientists are on the track of a great 2.__________

discovery.

3 For in 1895, the year of the Curie marriage,

Roentgen discovered the famous rays that are 3.__________

named after him--- he forerunners of modern

X-rays.

4 Mary hoped at one time to study at the University

of Cracow, then under Austrian rule. But when she

demanded to allowed to attend science lectures, the 4.__________

secretary said that science was not a thing in which

women can meddle.

5 Many part-time stu dents expected to offered some 5.__________

jobs on campus during the coming summer vacation.

6 Many people who live in London think that life in

a large city offered special advantages. 6.__________

7 The changes that taken place in air travel during 7.__________

the last sixty years would have seemed impossible

to even the most Brilliant scientists at the turn of

the 19th century.

8 I regret having left the work unfinished, I should

have plan every thing ahead carefully. 8.__________

9 No bank kept enough cash to pay all its depositors 9.__________

in full at one time.

10 The Conestoga wagon, used for carry heavy loads 10.__________

over long distances, originated around 1725 in a region

of Pennsylvania occupied by Conestoga Indians.

答案:

1. working→work。此句总体上讲述的是这些小家庭独立的掠影，而后半句解释到这些小家庭的成员生活在一起、工作在一起的情景，应该用一般现在时，和live保持一致。

2. are→were。

3. are→were。

4. allow前加be。“be allowed to do sth.”是“被允许作……”的意思。

5. offered前加be。“offer”是及物动词，后面应该接双宾语结构，即“offer sb. sth.”而在该句中缺少成分而只有宾语补主语，应该将其改为被动语态，即“be offered sth.”

6. offered→offers。

7. taken前加have。

8. plan→planned。

9. kept→keep。

10. carry→carrying。