The common etiquette observed by ail communities is to ______.
A. pay a compliment to beautiful women
B. respect senior citizens
C. keep fingers as clean as possible
D. foster romantic love for a lady
查看答案
随机变量Y的概率分布表如下：
随机变量Y的方差为()。
A. 76
B. 16
C. 6
D. 68
假设某股票一个月后的股价增长率服从均值为2％、方差为0．01％的正态分布，则一个月后该股票的股价增长率落在()区间内的概率约为68％。
A. (l％，3％)
B. -0.40%
C. (99％，01％)
D. (98％，02％)
It can be inferred from tile passage that "Giver" is a book which ______.
A. contains many new and difficult words
B. has many levels of meaning
C. is easy to read
D. is about a boy's discovery
某银行2006年初次级类贷款余额为1 000亿元，其中在2006年末转为可疑类、损失类的贷款金额之和为600亿元，期初次级类贷款期间因回收减少了200亿元，则次级类贷款迁徙率为()。
A. 20.00%
B. 60.00%
C. 75.00%
D. 100.00%
微信支付 
支付宝支付