问题
选择题
The boy is looking forward to ____ a birthday gift. [ ]
A. give
B. be given
C. gave
D. being given
答案
答案:D
The boy is looking forward to ____ a birthday gift. [ ]
A. give
B. be given
C. gave
D. being given
答案:D
(2012•台州)硫酸的工业用途广泛,如生产染料、农药、化学纤维、塑料等.实验室也可以用稀硫酸来制取H2S气体:FeS+H2SO4═FeS04+H2S↑,该反应属于( )
A. | 分解反应 | B. | 化合反应 | C. | 置换反应 | D. | 复分解反应 |