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【单选题】
关于C语言的变量,以下叙述中错误的是( )。A.
由三条下划线构成的符号名是合法的变量名
B.
所谓变量是指在程序运行过程中其值可以被改变的量
C.
用到的所有变量都必须先定义后才能使用
D.
变量所占的存储单元地址可以随时改变
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反馈参考答案：
举一反三
【单选题】Properly done, the __________ ensures that all cash transactions have been accounted for and that the bank and book records of cash are correct.
A.
Cash flow statement
B.
Trial balance
C.
Bank reconciliation
D.
Bank statement
【单选题】假定其他条件不变,厂商投资增加将引起
A.
国民收入增加，但消费水平不变
B.
国民收入增加，但消费水平下降
C.
国民收入增加，同时消费水平提高
D.
国民收入增加，储蓄水平下降
【简答题】The report sets out strict inspection procedures to ensure that the recommendations are properly . ( to ensure that what has been planned is done)
【单选题】Which paragraph does the following statement best summarize? When the time comes to remove skin sutures, nurses must follow several steps to ensure this is done properly. They need to be sure the tim...
A.
B.
C.
D.
E.
F.
F
【简答题】指出下列各量是几位有效数字: ( 1 ) L =0.00001cm ( ) ( 2 ) T =1.0001s ( ) ( 3 ) E =2.7 × 10 25 J ( ) ( 4 ) g =980.12306cm/s ( ) ( 5 ) U =7.000kV ...
【简答题】Many people now think that teachers give pupils ( 小学生 ) too much homework. They say that it is unnecessary for children to work at home in their free time. Moreover, they argue (争论) that most teachers...
【单选题】假定其他条件不变,厂商投资增加将引起:
A.
国民收入增加，但消费水平不变
B.
国民收入增加，并引致消费水平提高
C.
国民收入增加，但消费水平下降
D.
国民收入增加，储蓄水平下降
【判断题】If the stratified sample is done properly, a small number of people will adequately represent the entire organization.
A.
正确
B.
错误
【单选题】Which of the following must be done to properly conduct testing of the data backup portion of a disaster recovery plan？（）
A.
Perform an integrity test of backup media.
B.
Verify data on backup media can be read.
C.
Verify that backups have occurred and were successful via the logs.
D.
Restore backed up data to a test server.
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