当缆风绳与地面的夹角增大时,缆风绳受力()。
A.减少
B.增大
C.不变
参考答案:B
---I regret _____you John has been fired.
---I can hardly believe my ears.He’s such a fine worker.
A.telling
B.having told
C.to tell
D.to have told
下列曲目中哪些是属于钢琴曲?()
A、《1812序曲》
B、李斯特《前奏曲》
C、德彪西《大海》
D、贝多芬《月光奏鸣曲》