There is going to _____ a football match tomorrow. [ ]
A. have
B. has
C. be
D. is
答案:C
—Your pictures are very nice. — .
A.You are right
B.Thank you
C.You are OK
D.That’s OK
蒸馏法测定石油产品水分的原理是用()稀释一定量的样品,然后加热混合物蒸馏出水分,记录水分的体积,以百分数表示。
A、水
B、汽油
C、柴油
D、乙醇