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【简答题】
When you are travelling, whether on business or for pleasure, you often need to stay in a hotel. The kind of hotel you choose probably is decided above all according to how much money you want to spend. There are small hotels with very few services, where the prices are low, or there are large hotels with all the very latest comforts, where you could spend all the money you have in the bank for one very comfortable night. There are several different kinds of people who go to hotels. Some want to live, rather than just stay, in a hotel; the hotels which are designed to meet their needs are called residential hotels. However, most people who stay in hotels are either business people or tourists on holiday. In most hotels, there are two kinds of rooms: single rooms, for the use of one person, and double rooms, for the use of two people. In addition, in large hotels, there are also suites( 套房 ), which include two or more rooms connected together—perhaps a bed-room and a living room. They are for people who are very rich or very important.
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举一反三
【单选题】孔径相同的微波望远镜和光学望远镜比较,前者的分辨本领小的原因为
A.
星体发出的微波能量比可见光能量弱
B.
微波更易被大气的尘埃散射
C.
微波更易被大气所吸收
D.
大气对于微波的折射率较小
E.
微波波长比光波波长长
【单选题】孔径相同的微波望远镜和光学望远镜相比,前者分辨率小的原因是
A.
星体发出的微波量比可见光弱
B.
微波更容易被大气层所吸收
C.
大气对微波的散射效应明显
D.
微波的波长比可见光波要长
【单选题】孔径相同的微波望远镜和光学望远镜比较,前者的分辨本领小的原因是
A.
星体发出的微波能量比可见光能量弱
B.
微波更易被大气所吸收
C.
微波波长比光波波长长
D.
大 气对微波的折射率较小
【单选题】孔径相同的微波望远镜和光学望远镜相比,前者分辨本领小的原因:
A.
星体发出的微波能量比可见光弱
B.
微波更容易被大气吸收
C.
大气对微波的折射率小
D.
微波的波长比光波波长大
【判断题】被王国维举为“北宋以来,一人而已”的词作家是纳兰性德。()
A.
正确
B.
错误
【简答题】下列选项中属于系统误差的有( )。
【单选题】被王国维举为“北宋以来,一人而已”的词作家是()
A.
辛弃疾
B.
姜夔
C.
朱彝尊
D.
纳兰性德
【单选题】若对某校教室安排表中记录的一组实际数据进行设计,选择主键和索引的正确做法是
A.
每门课程代码是唯一的,所以首选课程代码为主键
B.
可利用课程名和班级创建一个复合主键
C.
为了表的规范化必须将表中一个字段设为主键
D.
可以添加一个自动编号做主键
【单选题】被王国维举为“北宋以来,一人而已”的词作家是
A.
纳兰性德
B.
苏轼
C.
辛弃疾
D.
李清照
【单选题】孔径相同的微波望远镜和光学望远镜相比,前者分辨本领小的原因:
A.
星体发出的微波能量比可见光弱
B.
微波更容易被大气吸收
C.
大气对微波折射率小
D.
微波的波长比光波的波长大
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