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下图为苔藓植物生活史示意图,请填入序号对应的世代名称或结构名称,并回答下列问题。 ①我们平常

下图为苔藓植物生活史示意图,请填入序号对应的世代名称或结构名称,并回答下列问题。

下图为苔藓植物生活史示意图,请填入序号对应的世代名称或结构名称,并回答下列问题。 ①我们平常下图为苔①我们平常所看见的绿色苔藓植物都是______体,其 ___________体退化且不能独立生活。 ②苔藓植物双倍体的受精卵经过胚胎阶段,发育成 _____________。 ③配子托上生出 __________和___________,分别产生精子和卵。 ④精子借助于水游入___________与卵结合,卵受精后形成二倍体的_________,___________不经过 休眠直接分裂形成胚,以后胚发育成_________。 ⑤苔藓植物营养体在形态上并没有完全真正的__________、_________、_________构造分化。

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第1题

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第2题

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第3题

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A.They had just survived an accident.

B.They had just had an operation.

C.They had just injured their colons.

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第4题

What had happened to the patients under study?A.They had just survived an accident.B.They

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A.They had just survived an accident.

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第5题

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C、through

D、by

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第6题

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What he said just now had little to do with the question ________ discussion.

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第7题

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第8题

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第9题

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第10题

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此题为判断题(对,错)。

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