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【单选题】
燃油压力调节器能调节喷油器上的燃油压力,使油路中的燃油压力与进气管压力之差保持常数( )千帕A.
150
B.
200
C.
250-300
D.
350
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【简答题】Conversation 1.____ A. To change the grade on his midterm. B. To help him to interpret some data. C. To give him more time to write his paper. D. To allow him to take the exam on another day. 2.____ A...
【单选题】The results won't be bad, _______ you try your best.
A.
even though
B.
unless
C.
in order that
D.
as long as
【单选题】The results won't be bad,( )you try your best.
A.
even though(尽管)
B.
unless（除非）
C.
in order that（为了）
D.
as long as（只要）
【单选题】The results won't be bad, _________ you try your best.
A.
even though
B.
unles
C.
in order that
D.
as long as
【单选题】The results won't be bad, ________ you try your best. A . B . C. D.
A.
in order that
B.
as long as
C.
unless
D.
even though
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