为了降低切削温度,目前采用的主要方法是切削时冲注切削液。切削液的作用包括( )、( )、( )和清洗作用。
第1题
______, young man! If you're late for work again, you'll lose your job.
A.Use your head
B.Take it easy
C.Watch your step
D.Have a look
第2题
You must hurry,___________ you‘ll be late for class.
[A] but
[B] so
[C] or
[D] either
第3题
You' re always late. you ______ late three times this week.
A.are being
B.were
C.had been
D.have been
第4题
A.offend
B.defend
C.defeat
D.deflect
第5题
Dennis ,if you are late again, I’ll phone your parents .I’m(),you know.
A.serious
B.careful
C.true
D.promising
第7题
You're late for work again. You ______ have been here an hour earlier.
A) should B) may C) must D) could
第8题
Hurry up, ______you' ll be late for school.
A.but
B.or
C.so
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