摘要：第一节:单项填空(共15小题,每小题1分.满分15分) 请从A, B, C, D四个选项中.选出可以填入空白处的最佳选项.并在答题卡上将该选项的标号涂黑.21. is acknowledged to us is that Qian Xuesheng great contributions to our country's agriculture. A. As; has done B. It; does do C. What; did do D. What; did did
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第一节：单项填空(共15小题；每小题1分，满分15分)
Of all the subjects, I like ______ physics best because it gives us ______ useful knowledge of things in science. And I long to turn ______ scientist in the future.
A. the ; a ; a B. / ; an ; / C./ ; a ; / D. the ; / ; /
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第一节：单项填空(共15小题；每小题1分，满分15分)
Of all the subjects, I like ______ physics best because it gives us ______ useful knowledge of things in science. And I long to turn ______ scientist in the future.
| A．the ; a ; a | B．/ ; an ; / | C．/ ; a ; / | D．the ; / ; / |
第一节 ：单项填空（共15题；每小题1分，满分15分）
1. Dick is over sixty, but he looks young for his age. He is always full of ______.
A. energy B. power C. strength D. force
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