摘要：第一节:单项填空(共15小题,每小题1分.满分15分) 从A.B.C.D四个选项中.选出可以填入空白处的最佳选项.21．--Hello. Is Mr. Fred available now? -- . A．I am Mr. Fred. B．Speaking. C．Who are you? D．Who are you looking for?
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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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