亚伯拉罕教包括哪三大教？
参考答案：
犹太教、基督教和伊斯兰教。
往复式压缩机余隙的存在使压缩机吸入量（）。
A、减少
B、增大
C、不变
D、先增大后减小
If their marketing plans succeed, they ____ their sales by 20 percent.
A．will increase
B．have been increasing
C．have increased
D．would be increasing
