方程2.8x-1.2x=8的解与下面方程（ ）的解相同． A．2.5+2x=7.5

男，40岁，右下后牙区肿胀疼痛史。检查下后牙颊侧牙龈处有瘘管，挤压有溢脓，同侧面部潮红，可触及炎性肿块，伴有中度张口受限。

其病理表现除外（）。

A.骨髓腔内有大量的淋巴细胞和浆细胞浸润

B.死骨形成

C.死骨周围有炎症性肉芽组织存在

D.死骨摘除后，纤维组织增生活跃

E.死骨周围有大量的成骨细胞

根据句意及首字母完成单词。

1. Black, red, green are all c             .

2. S             _ is the first day of a week.

3. We have m_______ sports clubs, come to join us!

4. He is my uncle's son, so I call him ________ (堂兄).

5. You need to write down something on your ________ (笔记本) every day.

6. I n________ some help. Can you help me?

7. My m________ book is on the desk and the English book is in the bag.

8. Kate's bag is on the f________, under my bed.

9. These boys are my f________.

10.Please t________ some things to your sister's school.

胸部叩诊为鼓音不见于下列疾病（）

A.空洞型肺结核

B.肺脓肿空洞形成

C.肺囊肿

D.肺炎

E.气胸

遮断信号机的预告信号机或遮断色灯信号机不着灯时，不起信号作用。

下列有关中毒型菌痢基本病理生理改变的叙述，正确的是（）

A.严重腹泻导致脱水

B.代谢性酸中毒

C.电解质严重紊乱

D.微循环障碍

E.脑水肿、颅内高压