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【多选题】
病原物的传播方式有哪几种 ( )A.
（A）主动传播
B.
（B）被动传播
C.
（ C ） 土壤传播和肥料传播
D.
（ D ） 生物介体传播
E.
（ E ） 人为传播
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皮皮学刷刷变学霸
举一反三
【简答题】A．The concept of green houses is changing. B．Green houses are out of fashion. C．Green houses are not sustainable. D．People are more focusing on environment protection than ever.
【单选题】In the HO model, the production possibility frontier is bowed out due to the assumption of
A.
identical tastes.
B.
different factor intensities in the production of the two goods.
C.
increasing returns to scale.
D.
Two of the above.
【单选题】臀先露时胎儿宫内窘迫的诊断依据是
A.
临产后臀部出现在阴道口见胎粪排出
B.
胎儿头皮血pH值为7.5
C.
宫缩高峰时胎心率128次/分
D.
胎儿电子监护出现频繁晚期减速
E.
临产后前羊水有胎粪污染
【简答题】Reading comprehension. Just the mention of the TOEFL, GRE and GAMT exams brings a thought of long hours of dull paper work. But that idea is becoming increasingly out of date. As planned, computerized...
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