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【简答题】
In overhead-valve engines, the camshaft is located in bearings in the cylinder block or crankcase. It is driven from the crankshaft at half the engine speed. According to the paragraph, which statement is true? A. The camshaft turns as fast as crankshaft. B. The camshaft turns at half speed of the crankshaft. C. The crankshaft turns at half speed of the camshaft.
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举一反三
【简答题】用动词的适当形式填空. 1. Can you please _____ (tell) me the way to the post office? 2. Do you mind my _____ (open) the window? 3. Each student _____ (have) a computer. 4. Thank you for _____ (come) to the show....
【单选题】喷油泵出油阀密封锥面泄漏,造成的不良影响是( )。
A.
喷油定时延迟,喷油量不变
B.
喷油压力下降,喷油定时不变
C.
喷油压力下降,喷油量下降,喷油定时不变
D.
喷油量下降,喷油定时延后
【单选题】()常用来分离两种密度不同的液体所形成的乳浊液、或含有极微量固体颗粒的乳浊液或对含极微量固体颗粒的液相澄清(液-液、液-固)。
A.
离心过滤
B.
离心沉降
C.
离心分离
【单选题】Do you mind my _____ the window? It's hot here. [ ]
A.
opening
B.
to open
C.
open
D.
opened
【简答题】证券公司实施重整的，重整计划涉及（ ）事项时，应当报经中国证监会批准。(1分)
【单选题】It’s too hot. Do you mind ______ the window? [ ]
A.
my closing
B.
my opening
C.
open
D.
close
【简答题】证券公司实施重整的，重整计划涉及（ ）事项时，应当报经中国证监会批准。
【简答题】Do you mind my ___(open)the window?
【单选题】— It's too hot. Would you mind my the window? — . Do it as you like, please! [ ]
A.
to open; OK
B.
opening; Certainly not
C.
closing; Of course
D.
open; Good idea
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