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【单选题】
( )是指双方在不清楚工程量的情况下就施工项目的单价达成协定,每月按实际完成并能够确认的工程量支付工程款。A.
单价合同
B.
成本加酬金合同
C.
承诺合同
D.
总价合同
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举一反三
【单选题】With the brain-scanning tools and understanding of biochemistry, researchers found the mental effects of exercise start in ______.
A.
the brain
B.
the bloodstream
C.
the muscles
D.
the arms
【单选题】. ----Oh my God! The guests will be here soon! ----______. I am sure that the room will be cleaned up in a minute.
A.
My pleasure
B.
Take it easy.
C.
Help yourself.
D.
Not at all.
【单选题】Oh, my God! Is this your room? The furniture here remains _____ with such thick dust!
A.
covered
B.
covering
C.
to cover
D.
be covering
【单选题】---What’s that noise? ---Oh, my God! I ________ to turn the tap off after I brushed my teeth.
A.
forget
B.
forgot
C.
was forgetting
D.
had forgotten
【单选题】—Oh ， my god ! I’ve just broken the glass that mymother likes best.. — .It can’t behelped .
A.
． That`s fine
B.
． All right
C.
． Never mind
D.
． Not at all
【单选题】Oh, my God! I can ______ put on my trousers. I must be getting heavier.
A.
carefully
B.
hardly
C.
quickly
D.
quietly
【单选题】The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.
A.
where
B.
whether
C.
how
D.
that
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