GDI发动机与原有相同形式喷射发动机比较()。
A.油耗减20%~30%
B.油耗减35%
C.CO2减20%~30%
D.CO2减35%
参考答案:B, D
(2013·高考山东卷)It’s good to know ________ the dogs will be well cared for while we’re away.
A.what
B.whose
C.which
D.that
口唇呈樱桃红色者,多属于()
A.煤气中毒
B.鹅口疮
C.心阳虚
D.中风
E.血瘀重症