—Americans spend more on health care than most other people .— You’re right . Bu
题型：不详难度：来源：
—Americans spend more on health care than most other people .
— You’re right . But a new study shows that life in the United States is falling .| A．development | B．position | C．experience | D．expectancy |
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答案
| D |
解析
| 名词词组。life expectancy ="expectation" of life平均寿命 |
举一反三
The happy _______ of children playing in the garden disappears, and it is quite again.| A．scene | B．scenery | C．scary | D．Place |
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The two ships came into ____ and 100 people were skilled.| A．collision | B．confuse | C．combination | D．Contrary |
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________his dream of going to college will come true is uncertain.| A．That | B．Whether | C．If | D．Even if |
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| I’d like to start my own business –that’s ________ I’d do if I had the money. |
The shouting in the classroom suddenly stopped with the ____ of Mr. Black, who preferred silence all the time.| A．appearance | B．movement | C．advance | D．departure |
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