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【单选题】
第一次鸦片战争后,中国逐步沦为
A.
资本主义国家
B.
半殖民地半封建国家
C.
半封建半资本主义国家
D.
社会主义国家
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【简答题】根据管道水头损失计算方法的不同,管道可以分为_和_。
【多选题】下面哪两项是点对点网络的缺点?
A.
组建和维护费用高昂
B.
不能集中管理
C.
配置起来非常复杂
D.
可扩展性不佳
【判断题】根据管道水头损失计算方法的不同,管道可以分为短管和长管。
A.
正确
B.
错误
【简答题】Going to the beach is a good way to spend our holiday. However, if we are not careful enough, or if we do not have enough knowledge, the beach may prove to be a erous place. It is a pity that ever...
【简答题】Is shopping good or bad? Different people have different ideas. Some people think shopping has many adva nta ges. First, we can get _______we really need by shopping. Second, when shopping, we are ___...
【简答题】1. Buyer: Hello. I am interested in your lace leggings. Do you have any products in stock ? 2. Seller : Nice to meet you, friend. All of the items at our store are in stock. We are always at your serv...
【单选题】根据管道水头损失计算方法的不同,管道可以分为()。
A.
长管,短管
B.
复杂管道,简单管道
C.
并联管道,串联管道
【简答题】一、 Translate the following sentences into Chinese. 1. We shall be very pleased to place our order with you if your quotation is competitive and the goods are of good quality.
【简答题】Sentences arrangement. 1. Our products are special because they are made of good quality cloth. 2. In the 15 years that we have been selling our products we have made a good name for ourselves in coun...
【多选题】根据管道水头损失计算方法的不同,管道可以分为()和()。
A.
有压管
B.
无压管
C.
短管
D.
长管
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