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【单选题】
以下叙述中正确的是( )
A.
任何情况下都不能用函数名作为实参
B.
函数的递归调用不需要额外开销,所以效率很高
C.
函数既可以直接调用自己,也可以间接调用自己
D.
简单递归不需要明确的结束递归的条件
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【简答题】81的4次方根( )A. A. B. B. 3
【简答题】Listed below are the top steel-producing regions for the year 2009. Index for US
【判断题】最大引文年限是1965年由布鲁克斯提出的。
A.
正确
B.
错误
【判断题】为了检验挂篮的性能和安全,并消除结构的非弹性变形,应对挂篮试压。 ( )
A.
正确
B.
错误
【简答题】,2和-2叫作16的4次方根,16的4次方根有两个,记作 和- , 所以 =2,- =-2, , 和 叫作81的 4 次方根,81的4次方根有两个,记作 和- , 所以 = ,- =
【单选题】81的4次方根有( )
A.
0个
B.
1个
C.
2个
D.
4个
【简答题】Listed below are the top steel-producing regions for the year 2009. Express the amount produced by China as an index, using the United States as a base.
【单选题】Listed below are the account balances of the Arthur Frank Corporation: Accounts Payable $ 75,000 Cash 100,000 Common Stock 500,000 Dividends 50,000 Land 60,000 Miscellaneous Expense 3,000 Service Rev...
A.
$100,000.
B.
$338,000.
C.
$278,000.
D.
$213,000.
【简答题】Listed below are the top steel-producing regions for the year 2009. Express the amount produced by Japan as an index, using the United States as a base.
【单选题】A shoe retailer keeps track of all types of information about sales of newly released shoe styles. One newly released style was marketed to tall people. Listed below are the shoe sizes of 12 randomly ...
A.
B.
C.
11
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