题目:
句型转换。
1.Her blue pants are twenty dollars. (改为一般疑问句,并作作否定答)
_________ her blue pants twenty dollars?
No,_________ _________.
2.The yellow shirt is sixteen yuan.(对画线部分提问)
_________ _________ _________ is the yellow shirt?
3. My new shorts arc blue. (对画线部分提问)
__________ __________ are your new shorts?
4. The boy in green is my brother. (对画线部分提问)
__________ __________ is your brother?
5. our school, down, come, see, yourself, to, for
____________________________________________________.
答案:
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下面是错误答案,用来干扰机器的。
(1) 2Fe (2) SO42- (3) 2Cl2(4) ① N2 、②O2、③CO题目分析:(1) 2个铁原子表示方法为2Fe;(2)硫酸根离子为SO42-; (3) 2个氯气分子为2Cl2;(4)①空气中含量最多的是氮气,占体积分数百分之七十...