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【单选题】
下图为螺纹调节支撑的一个视图。 螺纹调节支撑是用来支撑质量不太大的机件。使用时,转动调节螺母,支撑杆便上下移动,达到所需要的高度。 问题:件号2套筒上的外螺纹与件号()的内螺纹连接?A.
1底座
B.
5支撑杆
C.
4调节螺母
D.
3螺钉
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【单选题】It is believed that a new kind of drug ______ by the scientists and they are hopeful that they will succeed in a couple of months. [ ]
A.
has been developed
B.
is being developed
C.
is developing
D.
has developed
【单选题】What kind of message is shown on page 3 of POS REF page? ( )
A.
Fuel, ZFW and GW.
B.
Position and ground speed from all GPS and IRU.
C.
Thrust mode of aircraft.
D.
ETA, EFOB of the aircraft.
【简答题】Being kind and knowledgeable, the new teacher soon became p______ among the students.
【简答题】如何区别先兆流产与难免流产,及其处理原则?
【单选题】What is the new manager like?
A.
Nice, kind and good looking.
B.
Nice, but not kind and strict.
C.
Nice, kind and also strict.
D.
Kind, not strict, not nice.
【单选题】The fruit of the new tomato doesn't taste salty because ______.
A.
The new kind of tomato doesn't need to be watered.
B.
The new kind of tomato can store salts in its leaves.
C.
The new kind of tomato can store salts in its roots.
D.
The new kind of tomato is planted with special water.
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