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问题 选择题
已知a=
2
-1，b=
3
-
2
，c=
6
-2，那么a，b，c的大小关系是（　　）
A．a＜b＜cB．a＜c＜bC．b＜a＜cD．b＜c＜a
答案

∵a=

2
-1，b=
3
-
2
，c=
6
-2，

∴

1
a
=
1
2
-1
=
2
+1，
1
b
=
1
3
-
2
=
3
+
2
，
1
c
=
1
6
-2
=
6
+2
6-4
=
6
2
+1=
3
2
+1，

∵

3
2
+1＜
2
+1＜
3
+
2
，

∴0＜

1
c
＜
1
a
＜
1
b
，

因此b＜a＜c．

故选C．

改错题

改错

1. To she surprise, this phone call changed her life.          (      )

          A        B                                 C       D

2. Parents should not be too strict in teenagers.                (      )

       A                        B  C           D

3. I can't think of any good advices to give her.                ( )

                   A      B                C                 D

4. I haven't seen my cat for two days. I'm very worry about her.           ( )

                 A                  B                                  C               D

                                                                                                             ( )

5. You would rather stay at home and read a book than to go to a party.

                  A                   B                                      C             D

                                                                                                                            ( )

                                   
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多项选择题 案例分析题

患者，男性，34岁，3天来发热、腹痛、腹泻，1天来头痛，于12月10日来诊。病前一周由西安出差回京。体检；T39.2℃，BP50／30mmHg，P140次／mm，神清，面部充血，皮肤散在多数出血点，眼球结膜充血水肿，心肺无异常，双肾区叩击痛阳性。

目前该病人的治疗措施是（）

A.利巴韦林抗病毒

B.注射阿拉明和多巴胺以提高血压

C.应用广谱抗生素

D.透析治疗

E.低分子右糖旋酐

F.输血

G.给予肾上腺皮质激素

H.纠正酸中毒

I.给予解热镇痛药退热
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