题目内容

词汇与结构As the airplane became ________newer systems with hydraulic power were developed.

A. compounded
B. completed
C. sufficient
D. sophisticated

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词汇与结构Although some airplane________ make greater uses of hydraulic systems than others, the hydraulic system of the average modern airplane performs many functions.

A. producers
B. manufacturers
C. power- plants
D. factories

交易磋商一般包括( )环节。

A. 询盘
B. 发盘
C. 还盘
D. 接受

交易磋商中( )是达成交易、合同成立不可缺少的基本环节和必经的法律步骤。

A. 询盘
B. 发盘
C. 还盘
D. 接受

询盘分为( )。

A. 卖方询盘
B. 买方询盘
C. 卖方递盘
D. 买方递盘