每套SOP应定期审核其时间最好是:()
A.半年一次
B.一年一次
C.二年一次
D.三年一次
参考答案:B
—Do you think that the 11th Chinese National Games were a success?
—Yes,__________ !It couldn't be__________ .
A.relatively;better
B.approximately;worse
C.absolutely;better
D.fortunately;worse
下丘脑是间脑最下部的一对称性结构,构成第三脑室下壁。