皮皮学,免费搜题
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搜题
【单选题】
从发动机涡轮流出的燃气在刚进入排气系统时,存在高速漩涡流动,为了减少摩擦损失,气流的速度首先要:
A.
通过收敛加以降低
B.
通过扩散加以降低
C.
通过扩散加以升高
D.
通过收敛加以升
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举一反三
【单选题】What happened to Ms. White after she was taken back to the store?
A.
She was questioned by the police.
B.
She was shut in a small room for 20 minutes.
C.
She was insulted by the shopper around her.
D.
She was body-searched by the store manager.
【单选题】What happened to Ms. White after she was taken back to the store?
A.
She was questioned by the police.
B.
She was shut in a small room for 20 minutes.
C.
She was insulted by the shoppers around her.
D.
She was body-searched by the store manager.
【单选题】肾上腺素对血管作用的叙述,错误的是
A.
皮肤、粘膜血管收缩强
B.
微弱收缩脑和肺血管
C.
肾血管扩张
D.
骨骼肌血管扩张
E.
舒张冠状血管
【单选题】肾上腺素对血管作用的叙述,错误的是
A.
皮肤、粘膜血管收缩强烈
B.
微弱收缩脑和肺血管
C.
肾血管扩张
D.
骨骼肌血管扩张
E.
舒张冠状血管
【单选题】肾上腺素对血管作用的叙述,错误的是
A.
皮肤、粘膜血管收缩强烈
B.
微弱收缩脑和肺血管
C.
肾血管扩张
D.
骨骼肌血管扩张
E.
冠状血管扩张
【单选题】肾上腺素对血管作用的叙述,错误的是
A.
皮肤、粘膜血管收缩强
B.
肾血管扩张
C.
骨骼肌血管扩张
D.
舒张冠状血管
【单选题】肾上腺素对血管作用的叙述错误的是
A.
皮肤、粘膜血管收缩强烈
B.
微弱收缩脑和肺血管
C.
肾小管扩张
D.
骨骼肌血管扩张
E.
舒张冠状血管
【单选题】集合 的区间表示
A.
(-2,3)
B.
[-2,3)
C.
(-2,3]
D.
[-2,3]
【单选题】It was a quarter past nine as Marie hurried into the office building where she was going to work. Her bus moved slowly along through【C1】______morning traffic, making her a few minutes late for her ver...
A.
light
B.
heavy
C.
strong
D.
serious
【单选题】What does the student mean when she says this?
A.
She was asking whether she should delay the scholarship.
B.
She was asking about how much she could get from this scholarship.
C.
She was asking whether she succeeded in getting the scholarship or not.
D.
She was asking whether her friend got the scholarship or not.
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