题目:
用括号内所给单词的适当形式填空。
1. Lily likes wearing red __________ (dress).
2. My ruler is at home. Can I use __________ (you)?
3. My classroom is on the __________ (nine) floor.
4. They would like to go __________ (shop) this afternoon.
5. On __________ (child) Day, boys and girls usually have a good time.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C解析:生长激素(GH)可通过直接激活靶细胞生长激素受体和诱导产生胰岛素样生长因子(IGF)间接刺激靶细胞产生促进生长发育等生理效应。IGF是具有促生长作用的肽类物质,能刺激多种组织细胞的有丝分裂...