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【单选题】
自动喷水灭火系统每个报警阀组供水的最高与最低位置喷头，其高程差不宜大于（）米。A.
24米
B.
32米
C.
48米
D.
50米
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举一反三
【单选题】C 语言程序的一个基本特点是
A.
C 语言是一种没有数据类型的语言
B.
程序代码都应写在 main 函数里
C.
C 语言是一种有严格数据类型的语
D.
C 语言只能编写很小的软件
【单选题】We can infer from the first paragraph that ______.
A.
animals feel pain because their pupils dilate, their pulse rate and blood pressure rise
B.
when body stimuli are isolated from the higher nervous centres, animals won't withdraw the stimulated limb
C.
we will never know whether or not animals feel pain because they cannot speak
D.
people conduct a lot of experiments on animals in order to get knowledge of pain
【单选题】You might think that there are no longer any animals in Hong Kong 9 in the zoos. There are still about 36 different animals 10 there. One of the most interesting of Hong Kong ’s animals is the barking...
A.
high
B.
higher
C.
short
D.
shorter
【单选题】How did industrialized nations justify using plants and animals from the developing world for food and medicine products?
A.
They claimed that the plant and animal sources were raw materials that could not be patented.
B.
They asserted that the original plant and animal materials were found in their own nations.
C.
They paid a large royalty for the use of plants and animals that were not original to their countries.
D.
They stated that they had manufactured a higher quality of products than the competition.
【单选题】Although animals may react differently from humans, .
A.
researchers can include differences in the test results
B.
researchers learn a lot from the tests
C.
the differences aren't very great
D.
the differences in higher animals are very small
【单选题】“你最近使用什么品牌的牙膏?”如果按6W准则来推敲，这一问题在哪一方面不清楚?()。
A.
Who(谁)
B.
Where(何处)
C.
When(何时)
D.
What(什么事)
【简答题】【 C 语言的特点】 在一个程序中,main函数出现的位置是:
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