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举一反三
【简答题】A．He has a headache. B．He failed his history exam. C．He is sleepy. D．He is too busy.
【单选题】For the group presentation (Mini-show), the whole group will get ______________score(s).
A.
the same
B.
different
【单选题】A) He has just too many things to attend to. B) He has been overworked recently. C) He has a difficult decision to make. D) He has just quarreled with his girlfriend.
A.
B.
C.
D.
D
【简答题】Mini-presentation: What is important when looking for the best advertising channel?
【简答题】（14分）已知A、B、C、D、E、F是短周期中的6种非金属元素，它们的原子序数依次增大。A元素是周期表中半径最小的元素， B原子的最外层上有4个电子；C与D在周期表中处于相邻的位置，D的阴离子和E的阳离子具有相同的电子层结构，两元素的单质反应，生成一种淡黄色的固体Y；F的L层电子数等于K、M两个电子层上电子数之和 （1）请写出元素符号： A B C D E F （2）画出F的阴离子的结构示意图 （...
【单选题】What is the man's problem?
A.
He hasn't received an important report.
B.
He has too many expenses.
C.
He cannot contact the courier.
D.
He missed a deadline.
【简答题】A．He has a headache. B．He failed his history exam. C．He is tired. D．He is too busy.
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