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【单选题】
胶囊剂不检查的项目是A.
装量差异
B.
硬度
C.
外观
D.
崩解时限
E.
溶出度
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【单选题】Bob is very______, you never know what he is thinking.
A.
conservative
B.
reserved
C.
dead
D.
resent
【单选题】Your vessel has a gasoline engine and a mechanical exhaust ventilation system．BEFORE starting the engine，the exhaust blower should be run long enough to ______．
A.
warm up the exhaust blower motor
B.
provide a proper supply of fresh air for the engine（s）
C.
see the system is in good operating condition
D.
insure at least one complete change of air in the compartments concerned
【单选题】What point does the author intend to put across in the first paragraph?
A.
Teaching and research are two contradictory fields.
B.
Research can never be overemphasized.
C.
The relationship between research and teaching should not be simplified.
D.
It is not right to overestimate the importance of teaching.
【单选题】What is the RPM in your main engine?
A.
The speaker wants to know the age of the main engine
B.
The speaker wants to know some particulars of the main engine
C.
The speaker wants to know the operation of the main engine
D.
The speaker wants to know the characteristics of the main engine
【单选题】If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be ________.
A.
a glazed surface on the spring
B.
nicks in the protective coating
C.
a build up of sludge deposits
D.
cracks in the surface of the spring
【简答题】任务型阅读。 A. The engine in your body. B. The location, size and heartbeat of a heart. C. What happens when the heart beats? D. How does your heart work? E. How do we know about the heart? F. What can a d...
【简答题】If the engine is ______your car will send out more pollution and consume more gas.
【多选题】结球甘蓝依叶片特征可分为普通甘蓝、皱叶甘蓝和紫叶甘蓝。皱叶甘蓝叶片绿色，叶面皱缩；紫叶甘蓝的叶球为紫红色。中国主要栽培普通甘蓝，依叶球形状可分为( )3种类型
A.
椭圆形头
B.
尖头
C.
圆头
D.
平头
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