学生凭住宿缴费发票到()领取新生住宿钥匙,并发物品
A.教学系
B.班主任处
C.公寓管理处
D.学生处
参考答案:D
The part China __________ in the world now __________ by many countries.
A.plays; is widely praised
B.plays; is wide praised
C.takes; widely
D.takes; wide praised
某样本血清尿素氮的含量为20mg/dL,相当于()mmol/L。