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【单选题】
关于数据类型转换,下列描述中错误的是()。A.
将浮点数(精度)转换为整数时，将舍弃浮点数的小数部分，只保留整数部分。
B.
double型数据转换为float型时，会造成数据精度丢失
C.
将int型数值赋给char型变量时，只保留其最低8位，高位部分舍弃。
D.
将一个unsigned型数据赋给一个长度相同的整型变量时，内部存储方式改变
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举一反三
【单选题】Which of the following does not explain the phrase of “多闻阙疑”?
A.
Use you eyes widely but leave out what is doubtful.
B.
Not to make comments on what one does not know.
C.
Whereupon there is something you don’t know, thereupon you keep silent.
D.
In regard to what one does not know, one should try one’s best.
【单选题】Which of the following does NOT refer to the phrase"stick with"?
A.
to be in an unpleasant situation after a lot has happened
B.
to stay close to someone
C.
to continue doing something, especially something difficult
【单选题】What determines the price of a goods in a market economy?
A.
The cost of all elements of its production.
B.
The cost of not making other goods.
C.
The efficiency of the manufacturing process.
D.
The quantity of material supplied.
【单选题】Why does the author use the phrase 'for next November' (Line 3, Para. 1)?
A.
According to the Old Testament freshwater is available only in November.
B.
Rainfall comes only in winter starting from November.
C.
Running water systems will not be ready until next November.
D.
It is a custom in that region that irrigation to crops is done only in November.
【简答题】The cost elements of producing a tangible good or intangible service are phusical quantities of ____________ , ________________ , service, and other resources.
【单选题】下列选项中，不属于闸门和启闭机一般性检查的主要内容的是（）
A.
在闸门启闭过程中，启闭机机体各部分的运转情况
B.
自振频率检测
C.
主电源和备用电源状况
D.
寒冷地区闸门防冻设施情况
【单选题】Which of the following does NOT belong to the woman writers of the 20th century?
A.
Virginia Woolf.
B.
Harriet Beecher Stowe.
C.
Alice Walker.
D.
Toni Morrison.
相关题目：
【单选题】下列选项中，不属于闸门和启闭机一般性检查的主要内容的是（）
A.
在闸门启闭过程中，启闭机机体各部分的运转情况
B.
自振频率检测
C.
主电源和备用电源状况
D.
寒冷地区闸门防冻设施情况
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