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【单选题】
含有活性乳酸菌的饮料不宜空腹时直接饮用，因为空腹时胃酸的pH值较低，活性乳酸菌杀死，( )饮用效果较好。A.
清晨
B.
饭前2小时
C.
饭后2小时
D.
睡前
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皮皮学刷刷变学霸
举一反三
【简答题】交会穴是指____以上的经脉相交或会合处的腧穴,多分布于____。
【简答题】“一束X射线照射一个原子列（一维晶体），只有镜面反射方向上才有可能产生衍射线”，此种说法是否正确？
【单选题】Which of the following does not belong to the Island of Great Britain?
A.
England
B.
Scotland
C.
Wales
D.
Ireland
【多选题】United Kingdom of Great Britain and Northern Island contains _____________.
A.
England
B.
Scoltland
C.
Wales
D.
Northen Island
【简答题】Section B The United Kingdom Britain(or Great Britain) is an island that lies off the north - west coast of Europe. The nearest country is France, which is 20 miles away and from which Britain is sepa...
【单选题】The island of Great Britain itself is divided into the following parts EXCEPT
A.
British Isles.
B.
England.
C.
Scotland.
D.
Wales.
【单选题】Scotland occupies the ______ third of the island of Great Britain in the British Isles.
A.
southern
B.
northern
C.
eastern
D.
western
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