题目内容

以下关于近代城市布局的变化,说法错误的是()。

A. 城市类型也日益增多
B. 随着工业发展,出现城市仓储用地
C. 集市发展成为商务贸易区
D. 促生了许多类型商业及公共建筑

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The roller hatch beam at the edge of the open section of the hatch shall be ______ so that

A. braced
B. chopped
C. lashed or pinned back
D. locked

What is the most probable cause of reduced capacity in a reciprocating air compressor ________.

A. Carbon on cylinder heads
B. Faulty unloader
C. Leaking air valves
D. Plugged air cooler

在无流海域,当风速为10m/s时,冰山的移速约为。

A. 0.2m/s
B. 2.0m/s
C. 5.0m/s
D. 10.0m/s

When the relative motion display is selected all tracked objects will display ______ vectors.

A. motion
B. stationary
C. dynamical
D. flashing

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