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【判断题】
耐病性是指植物固有的或获得的忍受病害的能力,它是植物对病原物高度适应性的表现, 病原物能在其体内生长繁殖并能进行再侵染,引起较大的产量损失。 3. 植物与病原物接触前既已具有的性状所决定的抗病性,是先天具有的 称为 植物的 主 动抗病性。 4. 被动抗病性因素的作用是非专化性的 。A.
正确
B.
错误
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举一反三
【单选题】Which one is not ethnocentric attitude?
A.
Lifestyles in other cultures are not as valid as those in my culture.
B.
I have little respect for the values and customs of other cultures.
C.
My culture should be the role model for other cultures.
D.
People of other cultures are different from me.
【单选题】Which one of the followings is NOT correct about Battle of Gettysburg?
A.
Considered one of the bloodiest battles in Civil War history.
B.
Battle was had near the town Gettysburg, Pennsylvania.
C.
Largest casualties on both sides of the entire war.
D.
Small losses for the Confederacy force.
【简答题】三通一平费用,属于哪项建设投资?(填具体的名称)
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