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【多选题】
混棉机的原理包括
A.
时差混合
B.
混合
C.
程差混合
D.
随机混合
E.
直接混合
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参考答案:
举一反三
【单选题】淋巴细胞增高常见于()。
A.
病毒性感染
B.
放射线照射
C.
变态反应性疾病
D.
中毒性疾病
【单选题】用氧化铝薄层色谱法分离生物碱时,化合物的Rf值大小取决于
A.
极性大小
B.
分子大小
C.
酸性大小
D.
碱性大小
【单选题】用氧化铝薄层色谱法分离生物碱时,化合物的Rf值大小取决于
A.
极性大小
B.
碱性大小
C.
酸性大小
D.
分子大小
E.
挥发性大小
【单选题】淋巴细胞增高常见于
A.
变态反应性疾病
B.
罕见的白血病
C.
病毒性感染
D.
放射线照射
E.
疟原虫感染疾病
【单选题】_ people went to the concert which was held in People's Square _ the night of May Day. [     ]
A.
Thousands of; in
B.
Thousand; on
C.
Many thousand; in
D.
Thousands of;on
【单选题】By saying that 'people who held this view attempted to reverse the orthodox view' (in paragraph 1), the author means that those people______.
A.
didn't quite agree to the 'orthodox' view
B.
held an opposite view to the 'orthodox' one
C.
considered the 'orthodox' view unworthy of notice
D.
were faithful supporters of the Soviet foreign policies
【单选题】孕妇, 30岁,孕36周,护士为其做胎心监护时,为判断基线胎心率,监护时间至少应为
A.
5分钟
B.
20分钟
C.
10分钟
D.
8分钟
E.
1分钟
【单选题】The government held a special meeting,________ people to contribute more to the victims.
A.
appealing
B.
appealing to
C.
to appeal
D.
to appeal to
【单选题】用氧化铝薄层色谱法分离生物碱时,化合物的Rf值大小取决于
A.
极性大小
B.
碱性大小
C.
酸性大小
D.
分子大小
【单选题】The 2012 Olympic Games ________ in London appealed to a lot of people across the world.
A.
held
B.
to hold
C.
being held
D.
to be held
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