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【单选题】
安全生产许可证有效期为3年。安全生产许可证有效期满需延期的，企业应当于期满前( )安全生产许可证颁发管理机关办理延期手续。
A.
4个月
B.
3个月
C.
5个月
D.
6个月
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参考答案：
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【简答题】阅读理解。 (Shiyan Daily, May3,2000) The shopping Centre will open on May 8. Everybody with today's Shiyan Daily will get a small present that day. You are welcome. Telephone: 8885619; Address: No. 16 Hong...
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【多选题】活塞的正常损伤形式主要包括( )
A.
活塞环槽的磨损
B.
活塞裙部磨损
C.
活塞销座孔的磨损
D.
活塞刮伤及顶部烧蚀
查看完整题目与答案
【简答题】阅读理解。 (Shiyan Daily, May3, 2000) The shopping Centre will open on May 8. Everybody with today's Shiyan Daily will get a small present that day. You are welcome. Telephone: 8885619; Address: No.16 Hong...
查看完整题目与答案
【单选题】Choose your answers to c omplete the labels on the diagram. brain waves ____________
A.
relaxed
B.
accelerated
C.
increased
D.
lengthened
E.
reduced
F.
stopped momentarily
G.
widened
查看完整题目与答案
【简答题】C omplete the sentences using the words in the box.
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【简答题】Time is very important in our lives. It 16 our everybody moments. However, time never had any 17  in my life until I received a watch from my father that organized my life and made me more 18 . It’s r...
查看完整题目与答案
【单选题】灭火用的二氧化碳通常是以（）装在耐压的钢瓶内。
A.
液态
B.
固态
C.
气态
D.
半液态
查看完整题目与答案
【多选题】活塞环的损伤形式包括( )
A.
端面磨损
B.
弹性减弱
C.
断裂
D.
变形
查看完整题目与答案
【多选题】活塞环的损伤形式包括（ ）。A、端面磨损 B、弹性减弱 C、断裂 D、变形
A.
端面磨损
B.
弹性减弱
C.
断裂
D.
变形
查看完整题目与答案
【单选题】灭火用的二氧化碳通常是以（）态灌装在耐压刚瓶内的。
A.
气
B.
固
C.
液
D.
混合
查看完整题目与答案
相关题目：
【简答题】阅读理解。 (Shiyan Daily, May3,2000) The shopping Centre will open on May 8. Everybody with today's Shiyan Daily will get a small present that day. You are welcome. Telephone: 8885619; Address: No. 16 Hong...
查看完整题目与答案
【多选题】活塞的正常损伤形式主要包括( )
A.
活塞环槽的磨损
B.
活塞裙部磨损
C.
活塞销座孔的磨损
D.
活塞刮伤及顶部烧蚀
查看完整题目与答案
【简答题】阅读理解。 (Shiyan Daily, May3, 2000) The shopping Centre will open on May 8. Everybody with today's Shiyan Daily will get a small present that day. You are welcome. Telephone: 8885619; Address: No.16 Hong...
查看完整题目与答案
【单选题】Choose your answers to c omplete the labels on the diagram. brain waves ____________
A.
relaxed
B.
accelerated
C.
increased
D.
lengthened
E.
reduced
F.
stopped momentarily
G.
widened
查看完整题目与答案
【简答题】C omplete the sentences using the words in the box.
查看完整题目与答案
【简答题】Time is very important in our lives. It 16 our everybody moments. However, time never had any 17  in my life until I received a watch from my father that organized my life and made me more 18 . It’s r...
查看完整题目与答案
【单选题】灭火用的二氧化碳通常是以（）装在耐压的钢瓶内。
A.
液态
B.
固态
C.
气态
D.
半液态
查看完整题目与答案
【多选题】活塞环的损伤形式包括( )
A.
端面磨损
B.
弹性减弱
C.
断裂
D.
变形
查看完整题目与答案
【多选题】活塞环的损伤形式包括（ ）。A、端面磨损 B、弹性减弱 C、断裂 D、变形
A.
端面磨损
B.
弹性减弱
C.
断裂
D.
变形
查看完整题目与答案
【单选题】灭火用的二氧化碳通常是以（）态灌装在耐压刚瓶内的。
A.
气
B.
固
C.
液
D.
混合
查看完整题目与答案
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