题目

“I Went Skydiving at 84!”As a young girl growing up in the 1930s, I always wanted to fly a plane, but back then it was almost unheard of a woman to do that. I got a taste of that dream in 2011,when my husband arranged for me me ride in a hot air balloon for my birthday. But the experience turned out to be very dull. Around that time ,I told my husband that I wanted to skydive. So when our retirement community(社区)announced that they were having an essay competition and the topic was an experience of a lifetime that you wanted to have, I decided to write about my dream.In the essay, 如图是人体细胞中两种重要有机物B、E的元素组成及相互关系,相关叙述正确的是(   )①细胞核中能发生E~G的过程 ②细胞质中能发生G~B的过程③B的种类和数量的不同可能导致生物膜的功能不同④E具有多种重要功能是因为B的排列顺序不同⑤E是人类的遗传物质[来源:学§科§网] A.①②                   B.①②③⑤          C.①②④⑤          D.①②③④⑤
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