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问题 单项选择题

以下说法哪一项是正确的？（）

A.高度保持方式接通时，自动油门保持MCP速度

B.只有按压高度保持电门，才能接通高度保持方式

C.高度保持是否接通必须通过高度保持电门灯来证实

D.在高度保持方式，俯仰保持的一定是MCP所选择的高度

答案

参考答案：A

单项选择题

Software design is a (66) process. It requires a certain (67) of flair on the part of the designer. Design can net be learned from a book. It must be practiced and learnt by experience and study of existing systems. A well (68) software system is straight forward to implement and maintain, easily (69) and reliable. Badly (68) software systems, although they may work are (70) to be expensive to maintain, difficult to test and unreliable.

66（）

A．create

B．created

C．creating

D．creative
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选择题

下列句中加粗字的用法与例句相同的一项：[ ]

例句：无丝竹之乱耳

A．孔子云：何陋之有           

B．无案牍之劳形           

C．春冬之时             

D．观之正浓

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