题干
“How is your tour around the North Lake? Is it beautiful?” “It ____ be, but it is now heavily polluted.”
A：will
B：should
C：would
D：must
答案(点此获取答案解析）
B
A：will
B：should
C：would
D：must
2C(气)； ΔH＜0达平衡后，将气体混合物的温度降低，下列叙述中正确的是