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【单选题】
下面哪一项不一定是程序模块的特点？Which of the following is not necessarily a characteristic of a program module?a. 执行一个单独的任务b. 包括几个子模块c. 是独立的d. 相对较小A.
a
B.
b
C.
c
D.
d
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【单选题】关于电子商务安全，下列说法中错误的是?
A.
电子商务安全包括计算机网络安全和电子交易安全
B.
电子商务安全是制约电子商务发展的重要因素
C.
电子商务安全与网络安全的区别在于其有不可抵赖性的要求
D.
决定电子商务安全级别的最重要因素是技术
【简答题】供食用的冷冻的半头牛肉,为整头牛切成一半,未经进一步加工
【单选题】My English is improving. It is getting _____ and _____. [ ]
A.
good; good
B.
good; better
C.
better; best
D.
better; better
【单选题】The Internet is improving by leaps and bounds every day because it______.
A.
is easier to learn than merely face-to-face
B.
provides an excellent and powerful resource
C.
is increasingly equal and affordable
D.
is an increasing supply of millions of URLs
【简答题】A．It is good for improving muscle tone. B．It helps him lose weight. C．It helps develop mental toughness. D．It helps strengthen the heart.
【简答题】A．It is good for improving muscle tone. B．It helps strengthen the heart. C．It helps develop mental toughness. D．It does good to his skills.
【简答题】A．It is good for improving muscle tone. B．It helps strengthen the heart. C．It helps develop mental toughness. D．It does good to his skills.
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