计算:(1)8-22+18-32;(2)(3+5)(3-5)-(3-1)2.

题型:解答题

问题:

计算:
(1)
8
-
2
2
+
18
-
32

(2)(3+
5
)(3-
5
)-(
3
-1)2
考点:二次根式的加减乘除混合运算,二次根式的化简
题型:解答题

高血压急症

题型:解答题

下列注意事项中,为了保护天平横梁刀口的是(  )

A.砝码要用镊子夹取,不准用手拿

B.往盘里加减砝码要轻拿轻放

C.不准把潮湿的东西或化学药品直接放在天平盘里

D.被测物体的质量不能超过天平的称量范围

题型:解答题

句型转换。

1. What does your brother do? (改为同义句)

    _______________________________________

2. Where are you from? (改为同义句)

    _______________________________________

3. Sue works in a factory. (改为否定句)

    _______________________________________

4. She does the housework every day. (改为一般疑问句)

    _______________________________________

5. Tom has some new pictures. (改为一般疑问句)

    _______________________________________

6. The students do their homework in the evening. (就画线部分提问)

    _______________________________________

7. People like bedrooms because they like sleeping. (就画线部分提问)

    _______________________________________

8. Wu Bin is a shop assistant. (用a businessman变为选择疑问句)

    _______________________________________

9. Mrs Read is a doctor. She's from America. (合并为一句)

    _______________________________________

10. There are seventeen girls in Class Two. (就画线部分提问)

    _______________________________________

题型:解答题

患者,男,26岁,活动时出现右胸撕裂样痛,呼吸困难,查体右肺呼吸音消失,该患者的诊断是

A.右气胸
B.右胸腔积液
C.右肺炎
D.肺梗死
E.胸膜炎

题型:解答题

下面有关CI的叙述,不正确的是( )。

A.MI是CI的核心和关键

B.VI是BI和MI的载体

C.VI是CI中最有影响力的部分

D.BI对MI和VI具有决定性作用

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