一些单子叶植物根的表皮分裂成多层细胞且木栓化形成( )。A.复表皮B.次生表皮C.次生皮层D.根被

一些单子叶植物根的表皮分裂成多层细胞且木栓化形成( )。A.复表皮B.次生表皮C.次生皮层D.根被

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30、The wild flowers looked like a soft orange blan

30、The wild flowers looked like a soft orange blanket _________ the desert.野花看上去

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裸子植物的叶形极少数为( )。A.针形B.鳞片形C.条形D.阔叶

裸子植物的叶形极少数为( )。A.针形B.鳞片形C.条形D.阔叶

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3. It was getting _______, he had to stop to have

3. It was getting _______, he had to stop to have a rest. A. very darkerB.

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8. The less you spend, the less you’ll owe, and th

8. The less you spend, the less you’ll owe, and the less likely you’ll ______ ba

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