到2007年，我国有多少项目纳入了《世界遗产名录》位居世界第几
参考答案：35项；位居世界第三。
我国诊断肾病综合征的尿蛋白标准是（）
A.>2.0g/24h
B.>2.5g/24h
C.>3.0g/24h
D.>3.5g/24h
E.>4.0g/24h
.— Was it there ____you were away to answer the phone?
—There is no doubt about it.
A．that
B．which
C．while
D．where
