【题目】 As a matter of fact, scientists discovered no ______ of life in the Mars.
A. signal B. mark C. sign D. symbol
在线课程【答案】C
【解析】
试题分析：考查名词。A. signal信号；B. mark标记；C. sign迹象；D. symbol象征，符号。事实上，科学家们发现在火星上没有生命的迹象。故选C。
查询谷 - www.chaxungu.com
As a matter of fact, scientists discovered no of life in the Mars.A. signal B. mark C. sign D. symb
编辑：chaxungu时间：2026-04-27 02:53:32分类：高中英语题库
最新文章
- 2026-04-27 At the end of the meeting, it was announced that an agreement .A. has reached B. had reached C. has
- 2026-04-27 As a matter of fact, scientists discovered no of life in the Mars.A. signal B. mark C. sign D. symb
- 2026-04-27Children can get close to nature by taking part in series of outdoor activities.A. the,/ B. the,a C.
- 2026-04-27-Do you need any help.Lucy?-Yes. The job is I could do myself.A．more thanB．less thanC．no more thanD．
- 2026-04-27How does the man suggest the woman go to the station?A.By bus.B.On foot.C.By taxi.
- 2026-04-27What does the man think of Mary?A.Hard-working.B.Popular.C.Strong.
- 2026-04-27As you can see, the number of cars on our roads rising these days.A．was keepingB．keepC．keeps D．were
- 2026-04-27The song is sung all over the country, it the most popular song this year.A. made B. having madeC. t