皮皮学，免费搜题
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【单选题】
种子中能发育成新植物幼体的是()A.
胚芽
B.
子叶
C.
胚根
D.
种胚
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】John s______ an arm from bed to pick up his phone. Sleepily he asked, “Who is it?”
【简答题】人工合成培养基只能维持细胞生存，但还需补充一定量的天然培养基（ ）。
【简答题】John ______ out an arm from bed to pick up his phone. Sleepily he asked, “Who is it?”
【单选题】John ________ an arm from bed to pick up his phone. Sleepily he asked, “Who is it?”
A.
was flooded with
B.
popped up
C.
stretched out
D.
turned in
【单选题】John ______ out an arm from bed to pick up his phone. Sleepily he asked, “Who is it?”
A.
extended
B.
stretched
C.
flooded
【单选题】John ___ an arm from bed to pick up his phone. Sleepily he asked, “Who is it?”
A.
stretched out
B.
was flooded with
C.
made up for
D.
was destined
【简答题】人工合成培养基只能维持细胞生存，但还需补充一定量的天然培养基（ ）。
【单选题】John _____an arm from bed to pick up his phone. Sleepily he asked, “Who is it?”
A.
spotted
B.
stretched out
C.
found
D.
grabbed
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