题干
She ______ a book ten years ago. （ ）
A：writes
B：wrote
C：write
答案(点此获取答案解析）
B
She ______ a book ten years ago. （ ）
A：writes
B：wrote
C：write
满足：对任意
，总有
，则下列说法正确的是
CH3OH(g) ∆H1=−90.1kJ·mol−1