A.I’dloveto
B.Noway
C.Bynomeans
D.I’mafraidnot.
第1题:
A、try
B、tries
C、must try
D、can try
第2题:
醌类化合物中,下列基团甲基化按从易到难顺序排列为
A.-COOH>β-OH>Ar-OH>α-OH>R-OH
B.R-OH>α-OH>Ar-OH>β-OH>-COOH
C.-COOH>α-OH>Ar-OH>β-OH>R-OH
D.R-OH>β-OH>Ar-OH>α-OH>-COOH
E.Ar-OH>β-OH>α-OH>-COOH>R-OH
第3题:
第4题:
Susan: Betty, we'd like you to join us at a buffet party next Saturday.
Betty: ___________, Susan. What time do you expect me to be there?
A、I'd love to
B、No way
C、By no means
D、I'm afraid not
第5题: