雷达天线改装,当距离移动或高度改变较大时,应重新调整:()
A、高压延时
B、扫描延时
C、扫描速率
D、扫描线性
参考答案:B
完成下列句子的同义表达方式(每空一词)。
1.I bet our team will beat yours in the basketball match.
I ______ ______ our team will beat yours in the basketball match.
2.What’s your school life like?
______ ______ your school life?
3.Their school isn’t as big as ours.
Our school is ______ ______ theirs.
4. Of the two notebooks, I prefer the one with a blue cover (书皮).
Of the two notebooks, I ______ the one with a blue cover ______.
5. Neither his parent likes eggs.
______ ______ his parents likes eggs.
除以下哪项外,其他都是防止服务错误发生的有效方法?()
A.来源检查
B.自我检查
C.顺序检查
D.大量检查