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【单选题】
下列的一些做法中，是为了增大压强的是（　　）
A.
缝衣针尖做得很细很尖
B.
铁路钢轨铺在枕木上
C.
载重汽车装有很多轮子
D.
推土机安装履带
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参考答案：
举一反三
【单选题】The company______a rise in salary for its sales managers, but nothing has happened yet.
A.
is promised
B.
has been promising
C.
is promising
D.
promised
查看完整题目与答案
【单选题】国有国营的经营模式适用于哪类国有企业(或单位)：()
A.
提供公共物品的国有企业
B.
垄断性国有企业
C.
大中型国有企业
D.
小型国有企业
查看完整题目与答案
【单选题】The company _______ a rise in salary for ages but nothing has happened yet.A．has been promisingB
A.
26. The company _______ a rise in salary for ages but nothing has happened yet. A．has been promising
B.
had promised
C.
promised
D.
Promises
查看完整题目与答案
【单选题】The manager______ a rise in salary for ages, but nothing has happened yet.
A.
is promised
B.
is promising
C.
has been promising
D.
promised
查看完整题目与答案
【多选题】射流泵的主要部件包括( )。
A.
喉管
B.
喷嘴
C.
扩散管
D.
保护器
查看完整题目与答案
【简答题】The company ________ a rise in salary for ages, but nothing has happened yet. A) is promised B) has been promising C) is promising D) promised
查看完整题目与答案
【单选题】国有国控的经营模式适用于哪类国有企业(或单位)：()
A.
提供公共物品的国有企业
B.
垄断性国有企业
C.
大中型国有企业
D.
小型国有企业
查看完整题目与答案
【单选题】The company ______ a rise in salary for ages, but nothing has happened yet.
A.
is promised
B.
has been promising
C.
is promising
D.
promised
查看完整题目与答案
【单选题】Nothing has happened to them , __________?
A.
has it
B.
hasn't it
C.
have they
D.
haven't they
查看完整题目与答案
【简答题】指令( )可把操作数的某些位 置1。
查看完整题目与答案
相关题目：
【单选题】The company______a rise in salary for its sales managers, but nothing has happened yet.
A.
is promised
B.
has been promising
C.
is promising
D.
promised
查看完整题目与答案
【单选题】国有国营的经营模式适用于哪类国有企业(或单位)：()
A.
提供公共物品的国有企业
B.
垄断性国有企业
C.
大中型国有企业
D.
小型国有企业
查看完整题目与答案
【单选题】The company _______ a rise in salary for ages but nothing has happened yet.A．has been promisingB
A.
26. The company _______ a rise in salary for ages but nothing has happened yet. A．has been promising
B.
had promised
C.
promised
D.
Promises
查看完整题目与答案
【单选题】The manager______ a rise in salary for ages, but nothing has happened yet.
A.
is promised
B.
is promising
C.
has been promising
D.
promised
查看完整题目与答案
【多选题】射流泵的主要部件包括( )。
A.
喉管
B.
喷嘴
C.
扩散管
D.
保护器
查看完整题目与答案
【简答题】The company ________ a rise in salary for ages, but nothing has happened yet. A) is promised B) has been promising C) is promising D) promised
查看完整题目与答案
【单选题】国有国控的经营模式适用于哪类国有企业(或单位)：()
A.
提供公共物品的国有企业
B.
垄断性国有企业
C.
大中型国有企业
D.
小型国有企业
查看完整题目与答案
【单选题】The company ______ a rise in salary for ages, but nothing has happened yet.
A.
is promised
B.
has been promising
C.
is promising
D.
promised
查看完整题目与答案
【单选题】Nothing has happened to them , __________?
A.
has it
B.
hasn't it
C.
have they
D.
haven't they
查看完整题目与答案
【简答题】指令( )可把操作数的某些位 置1。
查看完整题目与答案
参考解析：
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