巴戟的应付规格是()
A.巴戟肉
B.巴戟天
C.炙巴戟
D.炙巴戟天
E.盐巴戟
参考答案:D
Dogs are kept to ______ the houses from thieves at night.
A.guard
B.defend
C.protect
D.prevent
运行中调节凝汽器循环水量的方法?