皮皮学,免费搜题
登录
搜题
【单选题】
气阀通常采用两根内外旋向相反的弹簧,其目的是:
A.
避免弹簧发生共振
B.
防止弹簧断裂时气阀落人气缸
C.
提高弹簧疲劳强度
D.
上述三点都是
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Section A: 22. Generally speaking, you should arrive at the airport with plenty of time ______.
A.
sparing
B.
to spare
C.
spare
D.
spared
【单选题】Section B Conversation 2
A.
He's giving a lecture.
B.
He's attending a meeting.
C.
He's speaking on another phone.
D.
He's away on a business trip.
【单选题】"What qualities do you think are important in a good friend?"In which part will the above topic be presented in the section of Speaking?
A.
Part 1
B.
Part 2
C.
Part 3
D.
///
【简答题】Speaking: How to Prepare and Give a Speech (1) Section B: Appreciating a Speech—Input Process Question 2: What’s the woman’s attitude towards stress now?
【简答题】Speaking: How to Prepare and Give a Speech (1) Section B: Appreciating a Speech—Input Process Question 1: How did the woman think of stress before?
【单选题】下列情况下,能使脉压增大的主要因素是
A.
射血期延长
B.
外周阻力增大
C.
心率加快
D.
大动脉管壁弹性降低
【简答题】Speaking :How to Prepare and Give a Speech (2) Section B: Appreciating a Speech—Input Process Question 1: What is a man, married for 25 years, longing to hear from his wife according to the speaker? 提...
【多选题】If you can't remember a word when you are in the Speaking section (choose TWO correct answers)
A.
It's similar in meaning to…
B.
I can't remember the word but it's like….
C.
I've forgotten the word.
D.
I only know Chinese for the word.
【判断题】电流互感器在大电流下工作突然切断电源才不会产生剩磁
A.
正确
B.
错误
【单选题】"How has your home town changed since you were young?"In which part will the above topic be presented in the section of Speaking?
A.
Part 1
B.
Part 2
C.
Part 3
D.
///
相关题目: