皮皮学，免费搜题
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搜题
【单选题】
在观察人的口腔上皮细胞的实验中，以下操作错误的是（ ）A.
在载玻片中央滴加的液体是清水
B.
用稀碘液对细胞进行染色以便观察
C.
使用显微镜的细准焦螺旋将视野中模糊的物像调至清晰
D.
将10×和10×的镜头组合改为5×和10×的镜头组合，可看到更多的细胞
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Do you have hot flashes? cold sweats?’’
【单选题】对缩胆囊素的生理作用描述,正确的是
A.
促进胰液中水、HCO3-的分泌
B.
抑制胃液分泌
C.
抑制小肠运动
D.
促进胆囊收缩和胰液中消化酶的分泌
E.
抑制胰腺外分泌组织增长
【单选题】听力原文：M: Do you have hot water in your dorm? Because we haven't had any for three days and I hate cold showers. W: Oh, that sounds miserable. Since the gyms usually open, why don't you just go over the...
A.
He can go to the gym to have a bath.
B.
He can turn to the gym to have the water pipe repaired.
C.
He can go to the gym to consult the experts.
D.
He should buy a new pipe from the gyms.
【单选题】听力原文：M: Do you have hot water in your dorm? Because we haven't had any for three days and I hate cold showers. W: Oh, that sounds miserable. Since the gym's usually open, why don't you just go over th...
A.
He can go to the gym to have a bath.
B.
He should buy a new pipe from the gyms.
C.
He can go to the gym to consult the experts.
D.
He can turn to the gym to have the water pipe repaired.
【单选题】对缩胆囊素的生理作用描述,正确的是
A.
促进胰液中水,HCO3-的分泌
B.
抑制胃液分泌
C.
抑制小肠的运动
D.
促进胆囊收缩和胰液中消化酶的分泌
E.
抑制胰腺外分泌组织增长
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