A、anything special
B、special something
C、something special
第1题:
A、mother-in-law’s and his sister-in-law's
B、mother’s-in-law’s and his sister's-in-law’s
C、mother’s-in-law and his sister’s-in-law
D、mother-in-laws’ and his sister-in-laws’
第2题:
第3题:
第4题:
I______to be a scientist when I______ a boy.
A、wanted, was
B、want, am
C、wanted, am
D、want, was
第5题:
第6题:
10. 已知反应 (1) MnO(s) + 1/2O2(g) = MnO2(s) 的ΔrH1my (2) MnO2(s) + Mn(s) = 2 MnO(s) 的ΔrH2my 则 ΔfHym(MnO2、S) = () A.ΔrH1my-ΔrH2my B. 2ΔrH1my+ΔrH2my C. 2ΔrH1my-ΔrH2my D. ΔrH1my+2ΔrH2my