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【单选题】
大青叶的显微特征为( )A.
草酸钙簇晶及晶鞘纤维
B.
多列性细胞非腺
C.
直轴式气孔
D.
不等式气孔
E.
多数树脂道
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皮皮学刷刷变学霸
举一反三
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A.
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B.
Ways to spend time entertaining themselves.
C.
Ways to become more active in the community.
D.
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【单选题】Unit 4 Part II Section B Task 3 There are ten short dialogues and monologues about art and life. Listen carefully, and choose the best answer to each question. (Questions 9 to 18) 9. Listen to the dia...
A.
United States.
B.
Italy.
C.
France.
D.
Spain.
【简答题】请为以下假名标注当用汉字。 1. こいびと 2. だんせい 3. きらい 4. おしるこ 5. りょこう 6. あんしん 7. きっさてん 8. かんばん 9 .リっぱ 10 .せんぱい
【单选题】锥囊藻属于 门藻类,细胞不具细胞壁,但在细胞外面有囊壳 常相互套和,可形成树枝状 状群体,常在冬季低温水体中大量繁殖,成为冰下生物增氧的藻类之一。
A.
金藻门
B.
隐藻门
C.
黄藻门
D.
甲藻门
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