关格主要症状之一为（）
A.每日排尿总量正常
B.每日排尿量低于正常
C.无尿痛
D.有尿痛
参考答案：B
根据句意和首字母提示补全单词。
Do you K __1__ Nie Haisheng and Fei Junlong? They are b __2__ astronauts (宇航员). They went
(去) to the space (太空) by (乘) the Shenzhou Ⅵ spacecraft (宇宙飞船). They are cool. They are in
gray c __3__ then. They f __4__ the earth (地球) is small. Mr.Nie and Mr.Fei are good friends. They
are o __5__ pride (骄傲).
九漏
he space (太空) by (乘) the Shenzhou Ⅵ spacecraft (宇宙飞船). They are cool. They are in