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【多选题】
螟幼虫的形态特征( )。
A.
前胸气门前片黑色,肾形
B.
前胸背板黑色有亮光
C.
左右两背板间中缝宽,且两端窄中部宽
D.
各体节均有散布的黑色刻点
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A.
30. More than 20 years ago he was badly wounded in the anti-Vietnam war. Since then he can only walk _____ an arm-chair . A.in
B.
on
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by
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A.
青少年
B.
老年人
C.
成年女性
D.
成年男性
E.
3岁以下儿童
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A.
person asleep, people present
B.
asleep person, present people
C.
person asleep, present people
D.
asleep person, people present
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A.
儿童
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D.
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A.
月经提前7天而至,经量增多,色黯红有块,伴腹痛
B.
月经先期,量多,色淡红,伴小腹绵绵作痛
C.
月经提前7天而至,量多,色紫红,质稠
D.
月经先期,经量多,色淡红,质清稀
E.
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A.
海百合
B.
马粪海胆
C.
海蛇尾
D.
海蜇
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A.
儿童
B.
老年人
C.
学龄前儿童
D.
3岁以下的儿童
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A.
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B.
时间性
C.
创造性
D.
推定有效性
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