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【单选题】
吗啡禁用于分娩止痛是由于:A.
易产生成瘾性
B.
镇痛效果差
C.
可致新生儿便秘
D.
抑制新生儿呼吸
E.
新生儿体内蓄积
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反馈参考答案：
举一反三
【判断题】Most of the computers designed today are capable of consuming less electricity than before.
A.
正确
B.
错误
【单选题】If a book is very exciting and it’s not easy for us to put it down, we call this book a __________.
A.
fiction
B.
mystery
C.
page-turner
D.
thriller
【简答题】Today almost everyone knows computers and the Internet. If I ask you “what is the most important in your life?” maybe you will say “Computers and the Internet.” The first computer was made in 1946. It...
【单选题】If this book is not yours, ______ can it be?
A.
what else
B.
who else
C.
which else's
D.
who else's
【简答题】Today almost everyone knows computers and the Internet. If I ask you “What is the most important in your life ?” maybe you will say “Computers and the Internet.” The first computer was made in 1946. I...
【简答题】皮亚杰根据儿童认知发展阶段把儿童游戏分为
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