China sent up Shenzhou Ⅸ manned spaceship into space successfully, which shows science and technology rapidly in China.
A. have been developing
B. have developed
C. has been developed
D. is developing
China sent up Shenzhou Ⅸ manned spaceship into space successfully, which shows science an
答案:2 悬赏:10 手机版
解决时间 2021-03-25 21:30
- 提问者网友：骑士
- 2021-03-25 03:56
最佳答案
- 五星知识达人网友：往事埋风中
- 2020-01-22 16:42
A. have been developingB. have developedC. has been developed(答案→)D. is developing解析：本题考查动词的时态。根据句意，中国成功的发射神州9号载人飞船进入太空，这表明中国的科学技术正在快速发展。说的就是现在的情况，因此用现在进行时态更准确。science and technology作主语，谓语动词用单数，本题应该选D。
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- 1楼网友：思契十里
- 2020-07-22 18:00
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