GB/T19147《车用柴油》规定，-20号车用柴油的冷滤点不高于（）。
A、-10℃
B、4℃
C、-29℃
D、-14℃
参考答案：D
CD-R光盘刻录机的烧录方式主要有两种，分别是整盘刻写方式和 【18】 。
He _____ the club and _____ its activities.
A．took part in; joined
B．joined; took part in
C．joined; took a part in
D．took part in; took part in
