小明和他的四名同学一共做了20朵红花和25朵黄花,平均每个同学做了几朵花?
(20+25)÷(4+1)=9(朵)
答:平均每个同学做9朵。
单词拼写: 根据句意及首字母完成单词
1. Your lifestyle is different from o________________.
2. Wool comes from s______________.
3. They are twins. No wonder they look so s_________________.
4. The camel t__________ I rode had a bad temper.
5. Don't drive after you drink strong w_____________.
6. The wine was made from g_____________. It tastes well.
7. Look, the kangaroos are jumping a______________ our car.
8. The police only told us some facts, they didn't tell too much d____________.
9. People are warned not to swim in the sea, because there're some s_________________ in it.
10. Her hair is going g____________ with worry.
病程相对较长,中毒症状多不明显,洞壁较厚,多呈偏心空洞,内壁凹凸不平,空洞周围多无炎性浸润。( )
A.空洞性肺结核,继发感染B.支气管肺癌C.囊肿继发感染D.肺脓肿E.细菌性肺炎