皮皮学，免费搜题
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搜题
【单选题】
同一条供给曲线,价格与供给量的组合从A点移到B点是:A.
供给的变动
B.
供给量的变动
C.
供给的增加
D.
供给量的减少
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】红白血病可见
A.
PAS染色红系呈强阳性反应
B.
AS-DCE染色呈阳性
C.
ACP染色呈阳性，且不被L酒石酸抑制
D.
AS-DAE染色呈阳性，且被NaF抑制
E.
POX多呈阴性反应，PAS反应产物为红色粗颗粒状或块状，底色不红
【多选题】If the price elasticity of demand is zero, which TWO of the following are ture?
A.
Demand is perfectly inelastic.
B.
There is no change in price regardless of the quantity demanded.
C.
The demand curve is a horizontal straight line.
D.
There is no change in the quantity demanded, regardless of any change in price.
【简答题】革兰氏染色阳性菌呈____色，阴性菌呈____色。
【单选题】— What do your parents do? — They ______ doctors. [ ]
A.
are all
B.
are both
C.
all are
D.
both are
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