渗出性心包炎()
A.心包摩擦音
B.舒张早期奔马律
C.颈静脉怒张,奇脉,脉压减小
D.心界向两侧扩大,心音遥远,Ewart征
参考答案:D
根据汉语提示完成下列句子。
1. We have to ____________ ___________ ___________(想出) some new ideas to solve the
environment problems.
2. The police found the lost car _____________ _______________(偶然地).
3. Watching the new TV play Yimeng _____________ ___________ ___________(使我想起)
my hometown.
4. I ___________ _____________ (有困难) in learning grammar and memorizing new words.
最初,人们将金银铸造成为铸币,投入流通,充当()。
A.一般等价物
B.贵金属货币
C.金属货币
D.媒介