已知函数f(x)=3sin(ωx+φ)-cos(ωx+φ)(0<φ<π,ω>0)

题型:解答题

问题:

已知函数f(x)=
3
sin(ωx+φ)-cos(ωx+φ)
(0<φ<π,ω>0)为偶函数,且函数y=f(x)图象的两相邻对称轴间的距离为
π
2

(Ⅰ)求ω和φ的值;
(Ⅱ)将函数y=f(x)的图象向右平移
π
6
个单位后,得到函数y=g(x)的图象,求g(x)的单调递减区间.
考点:正弦、余弦函数的图象与性质(定义域、值域、单调性、奇偶性等)函数y=Asin(wx+φ)的图象与性质两角和与差的三角函数及三角恒等变换
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Once upon a time, a poor traveller stopped under a tree. From his bag he took out a bowl of  小题1:  (boil) rice and started to eat. Nearby was a small shop, where a woman was selling fried fish to travellers able to pay for   小题2: . When the man finished eating and got up to leave, she shouted, “You have not paid me for your meal!”

“But I ordered nothing from you!” he said.

“Everyone can see that you enjoyed the smell of my fried fish with your rice,”    小题3:    (argue) the woman. “If you hadn’t smelt the fish, your meal would not have been so   小题4:__ (please)!”

Soon a crowd gathered.   小题5:  they supported the traveller, they also agreed that the wind was blowing from the shop to the place  小题6:  he had eaten, carrying the smell of the fried fish to him.

At last, the woman took him to a judge and after  小题7:  (tell) the judge the story, she insisted that   小题8:  the man had enjoyed her fish smell, he should pay 25 cents. After hearing the evidence, the judge asked the man to drop   小题9:  25-cent coin on the ground. “Here is your payment, the sound of 25 cents   小题10:  the smell of the fried fish.”

题型:解答题

钻井对钻井液总的要求是:两好(流型、剪切稀释特性),两低(水眼粘度,塑性粘度),三适当(流态、携岩能力和触变性)。

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构建社会主义和谐社会要以()为重点,解决好人民最关心、最直接、最现实的利益问题。

A、解决就业

B、改善民生

C、提高收入

题型:解答题

监控V5.X系统,国际项目中大多存在CDMA主动上报组网方式,这种组网方式时数据扫描总线类型应配置为()。

A.0

B.1

C.2

D.3

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