A.
B.
C.
D.
答案:D
—You’re supposed to hand in the travel diary as soon as possible.
—I see. I’m going to _________until 11:30 pm once more.
A.cheer up
B.put up
C.turn up
D.stay up
根据杠杠规则,在二元凝聚系统的相图中,如果一个总质量为M的相分解为质量G1和G2的两个相,则生成两个相的质量与原始相的组成到两个新生相的组成点之间线段()。
A.成正比
B.成反比
C.相等
D.A或C