题目内容

I would have come sooner but I()that you were waiting for me.

A. didn't know
B. don't know
C. hadn't know
D. haven't known

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关于心尖搏动的位置及范围描述不正确的是

A. 一般位于第5肋间隙左锁骨中线内侧0.5~1.0cm处
B. 卧位时稍上移
C. 深吸气时可上移,深呼气时下移
D. 瘦长体形者心尖向下内移
E. 以上都不是

It is our usual practice to () you at sight as soon as shipment is made.

A. notify
B. draw on
C. pay
D. compensate

Metal has many useful properties, of which strength is the most important.()

A. 金属在诸多特性中以强度最为重要。
B. 具有强度的金属有多种用途。
C. 金属有许多有用性能,其中强度最为重要。
D. 金属坚硬耐磨才是其最重要的性能。

投资项目决策分析中一般仅进行()。

A. 线性盈亏平衡分析
B. 非线性盈亏平衡分析
C. 敏感性分析
D. 不确定性分析

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