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【单选题】
在Javascript中,下列代码可以实现每隔5秒弹出“5秒到了!”的是A.
setTimeOut("alert('5秒到了!')",5)
B.
setTimeOut("alert('5秒到了!')",5000)
C.
setInterval("alert('5秒到了!')",5)
D.
setInterval("alert('5秒到了!')",5000)
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What is implied about the Mexican agricultural products?
A.
The Mexican agricultural products have been highly commercialized.
B.
Some agricultural products are imported from The US.
C.
The Mexican agricultural products are in the leading place in the world.
D.
Some Mexican agricultural product has got a majority of America market share.
【简答题】cell differentiation (细胞分化)
【简答题】细胞分化与细胞全能性(Cell differentiation／cell totipotency)
【单选题】“或是挺身反抗人世的无涯的苦难”一句的英文原文是 “Or to take arms against a sea of troubles”。从修辞上讲,“a sea of troubles (人世的无涯的苦难)”用到了( )。
A.
象征
B.
押头韵
C.
比喻
D.
拟人
【单选题】Which description is correct about the relationship between cell cycle and cell differentiation?
A.
The cell cycle and cell differentiation is positive related.
B.
The cell cycle and cell differentiation is negative related.
C.
The cell cycle and cell differentiation is not directed related.
D.
The relationship between cell cycle and cell differentiation is random.
【简答题】cell differentiation
【简答题】Cell differentiation:
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