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【判断题】
荧光染料DAPI是一种常用的DNA结合染料，为了特异性地显示细胞核或染色体所在部位，可用DAPI直接标记细胞，并在荧光显微镜下观察A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】to exist or be very common at a particular time or in a particular place
【简答题】凭谁问, ,
【单选题】下列选项中,能够一次性向student表中添加三条记录的SQL语句是
A.
INSERT INTO student VALUES (6,'lilei',99);(7,'hanmeimei',100);(8,'poly',40.5);
B.
INSERT INTO student VALUES (6,'lilei',99) (7,'hanmeimei',100) (8,'poly',40.5);
C.
INSERT INTO student VALUES (6,'lilei',99),(7,'hanmeimei',100),(8,'poly',40.5);
D.
INSERT INTO student VALUES (6,'lilei',99) VALUES(7,'hanmeimei',100) VALUES(8,'poly',40.5);
【单选题】— What do you think of the new book? — There are so many new words in chapter (章节). It's a bit hard. [ ]
A.
fifth
B.
five
C.
the fifth
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