What is the advantage of online retailers？ 查看材料
A. They don"t charge their customers for purchase tax.
B. They can offer convenient and beneficial services.
C. They needn"t pay any taxes for its sales.
D. They can offer the lowest prices for the same goods.
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油画是在（）年进入中国的。
A. 1586
B. 1567
C. 1581
D. 1658
Which of the following activity can be used at pre-reading stage？
A. Listening and exercise.
B. Role play.
C. Predicting according to the title.
D. Writing a passage.
为1。假设分支目标缓冲中包含分支目标指令，允许无条件转移指令进入分支目标缓冲，则程序的CPI值为多少？
宋代画坛一个很重要的现象是院体画与（）的对峙。
A. 宫廷画
B. 民间职业画
C. 风俗画
D. 文人画
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