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Девушка -- А кто это? Билл -- Это Поп. Он __. Он работает __ __. 注意个别单词字母e 上面的两点必须要有。
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举一反三
【单选题】By the end of the class, some students______ green food.
A.
have found
B.
will be finding
C.
will have found
D.
are finding
【单选题】The food exports will be ___ by cargo ship.
A.
transplanted
B.
translated
C.
transported
D.
transmitted
【简答题】To lower domestic food prices, some countries limited or stopped their grain exports.
【单选题】______. In fact, most of our food exports go to the wealthier areas--- Europe, Japan and Canada. We currently ship three times more agricultural exports to Europe than to Latin America and Africa comb...
A.
America’s exports and imports are not balanced.
B.
While America absorbs protein from underdeveloped countries,it doesn’t return it as protein-rich food.
【简答题】目前,镍氢电池中所用隔膜主要有哪些
【多选题】多数情况先,剪接发生在同一个RNA分子内部,但反式剪接
A.
已被证实存在于天然的内含子中
B.
与顺式剪接的机制完全不同
C.
有时是锥虫和线虫的剪接方式
D.
只需要U1和U5 snRNA
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