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【单选题】
气管上皮的细胞组成是A.
纤毛细胞、杯状细胞、基细胞、刷细胞、克拉拉细胞
B.
柱状细胞、杯状细胞、基细胞、刷细胞、细胞
C.
纤毛细胞、杯状细胞、梭形细胞、刷细胞、基细胞
D.
纤毛细胞、杯状细胞、基细胞、刷细胞、小颗粒细胞
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举一反三
【单选题】Only when one loses freedom ______its value.
A.
does one know
B.
one does know
C.
does know one
D.
know one does
【单选题】Vessels shall be deemed to be in sight of one another only when one ()from the other.
A.
Can be observed visually
B.
Can be observed by radar
C.
Can be located on the radar
D.
Can be heard
【单选题】Only when one loses freedom ______ its value.
A.
does one know
B.
one knows
C.
one does know
D.
knows one
【单选题】下列混合液中哪一组是1/2张含钠液?
A.
3份5％葡萄糖生理盐水，2份生理盐水，1份1.78％的乳酸钠
B.
3份5％葡萄糖液，2份生理盐水，1份11.2％乳酸钠
C.
3份5％葡萄糖液，1份生理盐水，1份5％的碳酸氢钠
D.
3份5％葡萄糖液，2份生理盐水，1份1.4％碳酸氢钠
【单选题】Only when one______the powerful current of the times will one's life shine brilliantly.
A.
dips into
B.
comes into
C.
drops into
D.
plunges into
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