皮皮学,免费搜题
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搜题
【单选题】
差动液压缸,若使其快进和回退速度相等,则活塞直径应为活塞杆直径的(   )。
A.
1倍
B.
2倍
C.
1.414倍
D.
0.707倍
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举一反三
【多选题】Tick out some effective ways of an introductory paragraph
A.
Using a topic sentence
B.
Asking a question
C.
Narrating a story
D.
Quoting a famous saying
E.
Providing statistics
F.
Presenting a false idea
G.
Summarizing the main idea
【多选题】Tick out the safty suggestions mentioned in the dialogue.
A.
Don't run the red light.
B.
Rember the speed limit and don't drive too fast.
C.
Never drive after drinking.
D.
Don't use the mobile phone while driving.
【单选题】CSMA/CD中,CD的含义是:
A.
CDROM
B.
载波
C.
冲突检测
D.
侦听
【单选题】下列不适合用干烤法灭菌的是
A.
玻璃制品
B.
橡胶制品
C.
陶瓷类
D.
粉剂
【多选题】Tick out the topics mentioned in the dialogue.
A.
Greeting
B.
Self-introduction
C.
Purpose of visit
D.
Showing interesting in products
E.
Expressing good wishes for cooperation
F.
Weather and journey
G.
Placing a large order and accommodation
【单选题】Tick out the topic that is NOT mentioned in the passage.
A.
strategy to handle complaints
B.
tourists' needs and expectations.
C.
the cause of the tourists' complaints
D.
tourists' attitude to a tour guide's service
E.
how to improve a tour guide's work
【单选题】一个人比较持久、相对稳定的思想、情感和行为模式,包括其背后的心理活动过程即是()。
A.
能力
B.
价值观
C.
态度
D.
人格
【单选题】TY-1型绝缘检测仪空载直流电压为(   )连续可调。
A.
500~1 000 V
B.
800~1 000V
C.
500~5 000V
D.
1~10KV
【单选题】糖原分子中α-1,6糖苷键的形成需要(    )
A.
差向酶    
B.
分支酶    
C.
内脂酶    
D.
脱支酶    
E.
异构酶
【多选题】Tick out the questions in the dialogue.
A.
Why do you want to become an auto mechanic?
B.
What do you do at work?
C.
What’s the most difficult part of your job?
D.
What is your goal for the future?
E.
What makes a good auto mechanic?
F.
What is the most important for an auto mechanic?
G.
What skills are required at work?
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