用“”“ ”分别表示不同种类的原子。下图所示的微观示意图中可以表示化合物的是 [ ]
A.
B.
C.
D.
答案:D
句型转换.
1. He'd like dumplings with tomatoes. (改为同义句)
He'd like _____ _____.
2. Mary would like to drink something. (改为同义句)
Mary _____ _____ _____ drink.
3. He doesn't like fish or meat. (改为肯定句)
He_______fish _____ meat.
4. They'd like noodles with beef in them. (对划线部分提问)
_____ _____ _____ noodles _____ they like?
5. The orange juice is only 2 yuan. (对划线部分提问)
_____ _____ _____ the orange juice?
营养不良患儿可能出现的化验异常不包括()
A.血清白蛋白降低
B.胰岛素样生长因子I降低
C.必需氨基酸浓度降低
D.微量元素降低
E.生长激素水平降低