20世纪六七十年代，巴拿马人民从__________殖民者手中收回了运河主权。 [ ]
A、英国
B、美国
C、法国
D、德国
答案：B
—Can you guess ______ the new schoolbag yesterday?
—Sorry, I’ve no idea.
A．how much did he pay for
B．how much he spent
C．how much he paid for
D．how much did he spend
急性间质性肾炎偶尔可以见到免疫复合物沉积于（）
A.肾小管基底膜
B.肾小球毛细血管内膜
C.系膜区
D.肾小球毛细血管基底膜
E.以上均不是
