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【简答题】
f(x)= 3 co s 2 ωx+sinωxcosωx ，其中ω＞0，且f（x）的图象在y轴右侧第一个最高点的横坐标为 π 6 ， （Ⅰ）求f（x）的解析式； （Ⅱ）写出f（x）的单调递减区间（只写结果不用写出步骤）； （Ⅲ）由y=sinx的图象，经过怎样的变换，可以得到f（x）的图象？
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举一反三
【单选题】In cross matching, how does a compatible match appear under the microscope?
A.
All of the cells are at an equal distance from each other.
B.
The arrangement of the cells looks like two parallel lines.
C.
The cells tend to group together in a large clump.
D.
The red cells and the plasma separate in an irregular pattern.
【简答题】用later、lately、latest、late填空 1 .He tried to get to school early, but he was still five minutes ______. 2.Ten days ______, they came to the place they had been dreaming of. 3. Here is the _________album...
【简答题】设A为5级方阵,且|A|=2,则|-2A|= .
【单选题】What does the Matching Gifts Program do?
A.
Match a person in need with a person who can donate money.
B.
Help you match the right gift to the interests of the receiver.
C.
Create a computer program to organize all gift-giving activities.
D.
Provide dollar-for-dollar matches to donations.
【单选题】Match the definition with the options. "Unemployment arising from a difficulty in matching unemployed workers with available jobs."
A.
Structual unemployment
B.
Frictional unemployment
C.
Cyclical unemployment
【简答题】U7 - Matching Match the words or phrases (1-5) with the definitions (A-E).A. arteryB. bloodC. lungD. blood vesselE. circulatory system
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