一块冰全部熔化成水，其质量_________，体积_______，密度_________。（填“变大”、“变小”或“不变”）
不变；变小；变大
咯血最常见的原因是（）
A.肺淤血
B.肺炎
C.肺结核
D.支气管肺癌
E.肺梗死
The construction was left half done, and _______ of money were wasted.
A．large numbers of
B．a great deal of
C．large amounts
D．masses of
