符合北半球、发达国家、人口超亿三个条件的国家是[ ]
A．美国、印度
B．澳大利亚、法国
C．中国、巴西
D．美国、日本
答案：D
The lecture given by Professor Smith was really interesting.（）
A.I couldn‘t agree with you more.
B.I‘m going to listen to it.
C.It sounds reasonable.
D.It didn‘t last too long.
桥式起重机不得使用（）。
A．锻造吊钩
B．铸钢吊钩
