In 1942, Columbus_______ on one of the B

题型:选择题

问题:

In 1942, Columbus_______ on one of the Bahama Islands, but he mistook it for an island off India. [ ]

A. lands          

B. landed          

C. has landed        

D. had landed

考点:一般过去时
题型:选择题

下列不属于城市供水价格的是()。

A.自来水价格

B.污水处理费

C.自来水厂房建设费

D.水资源费

题型:选择题
单句改错
如有错误,则按下列情况改正:
此句多一个词:把多余的词用(\)划掉,在该句右边横线上写出该词,并用斜线划掉。
此句缺一个词:在缺词处加一个漏字符号(^),在该句右边横线上写出应加的单词。
此句错一个词:在错词下划一横线,在该句右边横线上写出改正后的单词。
1. Charles asked he could use my car.______
2. Mother asked me where I will go the next day.______
3. Don't look at someone else paper, John. You should do it by yourself. ______
4. The highway was closed because the heavy snow that had never been seen for fifty years______
5. The large number of people in China are learning English now. ______
6. Mary and Bob can understand each other since they don't speak the same kind of English. ______
7. In different part of the world, people have their own ways to celebrate the New Year.______
8. My mother told me not play computer games on weekdays.______
9. In our country, children enter the school at the age of six. ______
10. She is very traditional; she prefers dressing formally to wear sports clothes.______
题型:选择题

过滤式防毒面具失效方式主要有()。

A、超重

B、泄漏

C、堵塞

D、老化

题型:选择题

水景给水系统的组成有土建部分、设备部分,设备部分包括()、()、阀门、水泵、供配电装置、自动控制装置。

题型:选择题

如何推进郑州航空港经济综合实验区建设?

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