1.His family _______________ to Australia because economic conditions were so poor in their homeland.
正确答案：immigrated
2.She continually failed to gain promotion because of her______.
正确答案：sex
3.The growth of our company has been seriously _______________ by the poor state of the economy.
正确答案：constrained
4.This ESL program puts a lot of _______________ on speaking and listening skills.
正确答案：emphasis
5.Her tennis _______________ has improved a lot since she began taking private lessons.
正确答案：technique
6.The _______________ he received after his presentation were highly favourable.
正确答案：comments
7.She made a delicious cake that had chocolate ice cream on one _______________, and vanilla ice cream on another.
正确答案：layer
8.The only _______________ that I can see of cutting the education budget is that our children will suffer.
正确答案：outcome
9.You shouldn't mix chemicals together in science class unless you know how they will _______________.
正确答案：react
10.I _______________ regularly with my counterpart in the head office in Toronto.
正确答案：correspond
11.The _______________ between smoking and cancer is too strong to ignore.
正确答案：link
12.Much of the modern _______________ used today in wristwatches was developed in Switzerland.
正确答案：technology
13.He _______________ a lot of time and money to helping people with AIDS.
正确答案：contributed
14.You'd better _______________ that everything the salesman promises is written into the contract.
正确答案：ensure
15.The grizzly bear's amazing sense of smell helps _________ for its poor eyesight, which is one of the most important factors of their survival in history.
正确答案：compensate
16.Over time, the world's human population has _______________ from rural to urban areas.
正确答案：shifted
17.My golf _______________ was really slow, so we had to let a number of people play through.
正确答案：partner
18.She didn't say she wanted to break up, but she certainly seemed to ____________ it when she said that it might be good for us to see other people.
正确答案：imply
19.Students in our program will be graded according to the _______________ described in the course outline.
正确答案：criteria
20.You'd better _______________ for the course pretty soon before it fills up.
正确答案：register
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