若奇函数f(x)在〔1,3〕上是增函数,且有最小值7,则它在〔-3,-1〕上(

题型:选择题

问题:

若奇函数f(x)在〔1,3〕上是增函数,且有最小值7,则它在〔-3,-1〕上(  )

A.是减函数,有最小值-7

B.是增函数,有最小值-7

C.是减函数,有最大值-7

D.是增函数,有最大值-7

考点:函数的奇偶性、周期性分段函数与抽象函数函数的零点与方程根的联系
题型:选择题

用所给词的适当形式填空。

1.—What's the matter with __________ (she)?

  —She __________ (have) a bad __________ (stomach).

2. Look! The baby has only three ___________ (tooth).

3. Her father has a __________ (tooth). He should see a dentist.

4. People who are too ___________ (stress) out must eat some yin food like tofu.

5. The old man __________ (be) ill two days ago,

   but we __________ (know) ___________ (he) __________ (ill) this morning.

   ____________ (luck), he has nothing much wrong.

6. Mid-Autumn Day is a ____________ (tradition) festival in China.

7. At the moment ___________ (China) medicine is very

   popular in ___________ (west) countries.

8. Chinese doctors ___________ (相信) they need a __________ (balance)

   of yin and yang ___________ (be) healthy.

9. My brother has a ___________ (balance) lifestyle.

题型:选择题

治疗立克次体感染的首选药是()

A.头孢他啶

B.土霉素

C.庆大霉素

D.多西环素

E.氯霉素

题型:选择题

外鳃

题型:选择题

某工程施工工期较长,能固结排水。当工程完工后,使用荷载短期内突增,宜选择的三轴压缩试验方式是______。

题型:选择题

患者,男,21岁,面赤口渴,口舌生疮,心烦失眠,舌红脉数,宜选()

A.大黄配甘草

B.大黄配黄连

C.黄连配竹茹

D.大黄配竹叶

E.黄连配柴胡

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