—This is Wang Hong. — [ ]
A. This is Gao Min.
B. Nice to meet you!
答案：B
Joy _______ as a language teacher in China for two years before she went back to London.
A．had worked
B．was working
C．worked
D．has worked
2011年7月26日，中国研制的深海载人潜水器“________”号成功潜至海面以下5057米，标志着中国已经进入载人深潜技术全球先进国家行列。[ ]
A、深海
B、海豚
C、蛟龙
D、神舟
