题目内容
以下属于亲核取代反应机理的有
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以下说法中，正确的有
Part I — (Paras. 1- 3)On a tour of France, I saw the Mediterranean Sea, but the rip currents __________ me. And it reminded me that I developed ______________ due to the experience of last summer and since then, the fear wouldn’t _________.Part II — Paras. 4-17When I saw a boy drowning amid the waves, I was in a _______ and __________ struggle whether I should save him because I was extremely ___________ water. After my fierce struggle, I made the single big decision: to ________________ the water. I finally reached the boy and had him under control; but when I swam back toward shore, the rip current was ________________ us out to sea. I tried to remember how to escape from a rip current, and with that, I slowly ____________ to safety, thus __________ my inner fear of water as well.Part III — (Paras. 18-19)I was _______ and ______ in a moment of _______ and ________.
向方法传递数组时，传递的是数组的（）
下列商品中,会发生老化的商品是( )。
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