使用33.6KB的Modem拨号上网,在网络比较空闲时从网上下载文件,那么半小时内下载的数据量可能是: ( )。
A.10MB
B.15MB
C.5MB
D.20MB
参考答案:C
When the news came the war broke out, he decided, to serve in the army.
A.since
B.which
C.that
D.because
真理为何具有客观性?