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【简答题】
甲、各进行一次射击，如果两人击中目标的概率都是0.6，计算: (1)两人都击中目标的概率； (2)其中恰有一人击中目标的概率； (3)至少有一人击中目标的概率.
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举一反三
【单选题】对下面三条语句(其中s1和s2为内嵌语句),正确的叙述是( ) 1) if(a) s1;else s2 2) if(a==0)s2;else s1 3) if(a!=0)s1;else s2
A.
三者相互等价
B.
(1)和(2)等价，但与(3)不等价
C.
三者互不等价
D.
(1)和(3)等价，但与(2)不等价
【简答题】I think there are some factors influencing students' academic performance. In descending order they are as follows: their interest and efforts, teachers' efforts and the couse's content.
【单选题】对下面三条语句(其中 s1 和 s2 为内嵌语句),正确的论断是 ______ 。 ( 1 ) if(a) s1; else s2; ( 2 ) if(a == 0)s2; else s1; ( 3 ) if(a!=0) s1;else s2; A. 三者相互等价 B. ( 1 )和( 2 )等价,但与( 3 )不等价 C. 三者互不等价 D. ( 1 )和( 3 )等价,但与( 2 )不等价
A.
B.
C.
D.
D
【单选题】She won’t lose weight______ she keeps a diet and takes exercise every day.
A.
unless
B.
if
C.
because
D.
since
【简答题】After a full (confess) , she felt purged of any sense of sin.
【单选题】对下面三条语句(其中s1和s2为内嵌语句),正确的是()。 (1)if(a) s1;else s2; (2)if(a==0)s2;else s1; (3)if(a!=0)s1;else s2;
A.
三者互相等价
B.
（1）与（2）等价，但与（3）不等价
C.
三者互不等价
D.
（1）和（3）等价，但与（2）不等价
【单选题】If it were not for the fact that she_______sin
A.
27. If it were not for the fact that she_______sing, Iwould invite ber to the party. ( 福建 ) A.couldn’t
B.
shouldn’t
C.
can’t
D.
might not
【简答题】It’s going to be a busy day at Betsy Ross house in Philadelphia on Thursday. She won’t be there, since she died in 1836, but hundreds of tourists will be going through her house. You see, Thursday is ...
【判断题】Hester’s identity she creates for herself is accord with the identity the society assigns to her and she atones for her sin with her whole life.
A.
正确
B.
错误
【简答题】In a Pareto chart, the tallies for each category are plotted as vertical bars in descending order, according to their frequencies, and are combined with a cumulative percentage line on the same chart.
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