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【多选题】
地震次生灾害包括 。A.
火灾
B.
煤气泄漏
C.
房屋倒塌
D.
水灾
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举一反三
【单选题】which one of the followings is NOT correct about the Civil War?
A.
The Civil War lasted from 1861 to 1865.
B.
First shot fired in 1861 of April.
C.
The North saw most of the damage from the war.
D.
War erupted between the North and South after the election of Abraham Lincoln in 1860.
【单选题】What's the purpose of Nike to stop selling merchandise through Amazon?
A.
To boost its own offline sales.
B.
To regulate unsanctioned sales of its products.
C.
To cooperate with other e-commerce companies
D.
To focus on Nike's' own direct-o-to-business.
【单选题】为了制备微生物的原生质体，必须有效地除去细胞壁，根据其不同结构和组成，采用的脱壁方法也不同，下列有关脱壁方法错误的是（）。
A.
革兰氏阳性菌须采用溶菌酶和EDTA共同处理来脱壁
B.
酵母菌须用蜗牛酶来脱壁
C.
丝状真菌常用纤维素酶和蜗牛酶配合使用来脱壁
D.
霉菌则需添加壳聚糖酶或其他酶配合使用来脱壁
【单选题】What's the purpose of launching the satellite in the news?
A.
To detect the pollution area on the earth.
B.
To locate the sources of gamma ray explosions.
C.
To destroy the mysterious material in the universe.
【简答题】1During the First World War, some Americans indirectly benefited because of the war. With two million white men fighting in Europe and no new immigrants entering the country, many jobs in the United S...
【单选题】真菌制备原生质体用的是()去除细胞壁
A.
真核
B.
原核
C.
肽聚糖
D.
几丁质
E.
甾醇
F.
蜗牛酶
G.
理化，生物因素
H.
蛋白质
I.
单细胞
J.
多细胞
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