200元GPRS套餐赠送()流量。
A.500MB
B.1G
C.2G
D.5G
参考答案:D
Lady Gaga is _______ very popular singer.She has lots of fans.
A.a B.an C.the
湖南念同的野韭是哪种矿物的指示生物?()
A.金矿
B铜矿
C.锌矿
D.铁矿