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【单选题】
凝血过程的第三阶段是指( )。A.
凝血酶的形成
B.
纤维蛋白的形成
C.
肥大细胞分泌肝素
D.
血小板释放尿激酶
E.
血小板填塞血管损伤处
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反馈参考答案：
举一反三
【简答题】“乱石穿空,惊涛拍岸,卷起千堆雪”这三句中哪几个字用得非常妙 ?
【简答题】The teaching of reading will be successful if ________. A) teachers can improve conditions at school for the students B) teachers can enable students to develop their own way of reading C) teachers ca...
【单选题】在维持效用水平或满足程度不变的前提下，消费者增加一单位的某种商品的消费时所需要放弃的另一种商品的消费数量，被称为（）。
A.
商品的边际替代率
B.
边际产品转换率
C.
边际效用组合
D.
边际效用转换
【单选题】在维持效用水平不变的前提下,随着一种商品的消费数量的连续增加,消费者为得到每一单位的这种商品所需要放弃的另一种商品的消费数量是递减的指的是( )
A.
边际替代率
B.
边际技术替代率
C.
边际效用递减规律
D.
边际替代率递减规律
【简答题】I am so worried about global warming. We need stop cutting down all of the trees so that they can absorb the carbon dioxide. I think the Kyoto Protocol （京都议定书) to stop pollution is a great idea ,and I...
【单选题】The teaching of reading will be successful if ______.
A.
teachers can improve conditions at school for the students
B.
teachers can enable students to develop their own way of reading
C.
teachers can devise the most efficient system for reading
D.
teachers can make their teaching activities observably
【单选题】The teaching of reading will be successful if ______.
A.
teachers can improve conditions at school for the students
B.
teachers can enable students to develop their own way of reading
C.
teachers can devise the most efficient system for reading
D.
teachers can make their teaching activities observable
【单选题】Our schoolmaster tried his best to make our teaching methods _____ to the concerning parents at
A.
28. Our schoolmaster tried his best to make our teaching methods _____ to the concerning parents at the press, who are eager to send their child to our school. A．get through
B.
get across
C.
get over
D.
get around
【单选题】( )10.He often jokes and makes us .
A.
talks,laugh
B.
tells, laugh
C.
talks, to laugh
D.
tells, to laugh
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