题目

根据下列句子意思及所给单词的首字母写出所缺单词。在填写答卷时，要求写出完整单词。（每空只写一词）（1）I feel a little hot. Would you m   opening the window?（2）Keep quiet please. Don't make any n   in the library.（3）Can you give me a hand, please? The bookshelf is too h   for me to move by myself.（4）This kind of flower is very common in our city, and we can see it e   .（5）When a   comes, the leaves turn yellow and soon fall.（6）There's a m  &#x用正确的数字和化学符号填空（1）1个银原子  （2）二个碳酸分子 （3）3个硫酸根离子 （4）氧化镁中镁显+2价 ．