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【判断题】
联合利华是一家美国跨国公司。()A.
正确
B.
错误
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举一反三
【单选题】Most Jewish families ________ many difficulties during the Second World War.
A.
went through
B.
went over
C.
went on
D.
went up
【单选题】During working, thermostatic expansion valve should be （）.
A.
either all the way open or all the way closed
B.
normally fully open
C.
throttled depending on load
D.
controlled by liquefied pressure
【单选题】下列对于肾上腺的描述,错误的是( )。
A.
肾上腺位于腹膜的后方，肾的上端
B.
肾上腺与肾共同包在深筋膜内
C.
肾上腺实质有皮质和髓质2部分组成
D.
肾上腺只分泌肾上腺素
【单选题】下列关于肾上腺的描述错误的说法是
A.
CT检查密度类似于肾脏
B.
MRI检查信号强度与肝实质信号强度相仿
C.
CT平扫和增强检查均不能分辨皮髓质
D.
右肾上腺在右肾上极稍上，左肾上腺在左肾上极靠内
E.
正常肾上腺侧支厚度不超过 10mm
【单选题】During the valve overlap period, the exhaust pressure of a turbocharged four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure ______.
A.
effective cylinder scavenging and cooling
B.
constant pressure from the turbochargers
C.
cooler operation of the exhaust system
D.
effective constant pressure for turbocharger operation
【单选题】During the intake stroke, the piston is moving downward and the intake valve is and the exhaust valve is .
A.
open, open
B.
closed, open
C.
open, closed
D.
closed, closed
【单选题】During the accident, the car turned _____ and the driver died immediately.
A.
down
B.
over
C.
off
D.
out
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