坚持自力更生绝不意味着闭关锁国，也不意味着降低对外开放的重要地位。
参考答案：对
They had invited 50 guests to the party,but only half as many . [ ]
A.shown out
B.showed up
C.shown around
D.shown off
急性肾衰竭归属于中医（）
A.肾著
B.厥证
C.淋证
D.水肿
E.关格
