问题
选择题
一列火车通过890米的大桥需要55秒,同样的速度穿过690米隧道需要45秒,则这列火车长( ) |
A.210米 B.230米 C.250米 D.270米 |
答案
答案:A
一列火车通过890米的大桥需要55秒,同样的速度穿过690米隧道需要45秒,则这列火车长( ) |
A.210米 B.230米 C.250米 D.270米 |
答案:A
阅读理解。 | ||||
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1. Who lost a bike? | ||||
A. Betty. B. Jimmy. C. Bruce. D. David. | ||||
2. Is the ring Betty's? | ||||
A. Yes, it is. B. No, it isn't. C. Yes, this is. D. No, it is David's. | ||||
3. What color is Jimmy's new bike? | ||||
A. Green. B. White. C. Black. D. Red. | ||||
4. Who can you call for the backpack? | ||||
A. Betty. B. Jimmy. C. Bruce. D. David. | ||||
5. What is Bruce's phone number? | ||||
A. 678-42190. B. 892-02311. C. 708-52097. D. 291-20845. |