下列哪一物质俗称为肥田粉
A.NH4NO3
B.NH4Cl
C.CO(NH2)2
D.(NH4)2SO4
答案:D
考查常见物质的俗名,答案选D。
Which language is_________ to learn, English, French or Chinese?[ ]
A. difficult
B. the difficultest
C. more difficult
D. the most difficult
Tony is ________ in collecting sports cars. He has an _________ hobby. [ ]
A. interesting, interested
B. interest, interesting
C. interested, interesting
D. interested, interest