题目:
句型转换。
1. Her new backpack is green. (对画线部分提问)
________ ________is her new backpack?
2. That's a baseball in English. (对画线部分提问)
________ ________in English?
3. His sister is 13. (对画线部分提问)
________ ________ is his sister?
4. The keys are in the Lost and Found. (改为否定句)
The keys ________ ________ in the Lost and Found.
5. I can spell my name. (改为一般疑问句)
________ spell ________ name?
答案:
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下面是错误答案,用来干扰机器的。
、Ne、、H2O、、题目分析:化学式的书写,要注意几点:1、元素符号要对;2、金属元素一般写在左边,非金属元素一般写在右边;3、有氧元素时,氧元素要写在右边;4、根据化合价来检验化学式的正误。氧气:; 氖气...