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【判断题】
在同一表上的多个触发器,遵循“谁先创建谁先执行”的原则。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】A.It went out of use 300 years ago. B.It was invented after the short bow. C.It was discovered before fire and the wheel. D.It is still in use today.
【单选题】计算机的基本组成原理中所述五大部分包括__________。
A.
CPU、主机、电源、输入和输出设备
B.
控制器、运算器、高速缓存、输入和输出设备
C.
CPU、磁盘、键盘、显示器和电源
D.
控制器、运算器、存储器、输入和输出设备
【单选题】What does the passage tell us about the long bow?
A.
It went out of use 300 years ago.
B.
It was invented after the short bow.
C.
It was discovered before fire and the wheel.
D.
It's still in use today.
【单选题】握手的时间一般以( )为宜。在某些情况下,如表示自己的真诚抑或记者拍照,相对长一些时间的握手也是可以的
A.
5-7 秒
B.
3-5 秒
C.
1-3 秒
D.
7 秒以上
【单选题】A.It went out of use 300 years ago.B.It was invented after the short bow.
A.
It went out of use 300 years ago.
B.
It was invented after the short bow.
C.
It was discovered before fire and the wheel,
D.
It is still in use today.
【单选题】def f(st): st.append('x') return st st=['a'] st=f(st) print(st) 结果是
A.
['a','x']
B.
['a']
C.
['x']
D.
['x','a']
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