皮皮学，免费搜题
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【单选题】
一个经济体系必须回答的基本 问题是 ( )A.
生产什么，生产多少的问题
B.
如何生产
C.
为谁生产问题
D.
以上都对
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】I like playing _____ piano, but I don't like playing _____ basketball. [ ]
A.
/;/
B.
/;the
C.
the; the
D.
the;/
【简答题】In some parts of London, missing a bus means ________for another hour. [A] to wait [B] wait [C]waiting [D] waited
【简答题】其所含蛋白具有抗早孕作用的药物是
【简答题】In some parts of this city, missing a bus means (wait) ______ for another hour.
【简答题】In some parts of London, missing a bus means ______ for another hour． A．waiting B．to wait C．wait D．to be waiting
【简答题】Engaging in a hobby like reading a book, a patchwork quilt or even playing computer s can delay the onset of dementia, a US study suggests. Watching TV but does not【M1】______ count—and inde...
【判断题】栏目意识,就是说要凸显栏目风格,要塑造栏目整体形象,包括稿件的选择、组织,版面的编排、包装,主持人的形象风格,既要与其他同类栏目相比能突出自己的特色,同时还要符合电视台的整体定位。
A.
正确
B.
错误
【单选题】Be quiet, kids. You’ll have to wait ______ your names are called.
A.
while
B.
until
C.
and
D.
unless
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