某国产发动机型号为165F,其中65表示()
A、缸径65毫米
B、排量6.5升
C、压缩比6.5
参考答案:A
Playing basketball is sometimes very tiring, ______ I enjoy it very much.
A.so
B.but
C.if
D.or
国家限制进出口货物,未领到进出口货物许可证的,或有关的进出口许可证已经失效的,不可申请担保。()