函数f(x)=sin(ωx+φ)cos(ωx+φ)(ω>0)以2为最小正周期,且在x=2处取得最大值,则φ的一个值是()。
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What was Lenovo's ranking in PC in the world before the merger?
A. Third
B. Fourth.
C. Sixth.
D. Eighth.
Which of the following statements is true according to the passage?
A. Many people protested in the past six months.
B. Many people threw tomatoes at the German Chancellor.
C. Many people threw eggs at an important member of the German Chancellor's Social Democrats.
D. Many people threw eggs at the German Chancellor, but he was not hit.
“收藏夹”为用户保存经常使用的WEB地址。
A. 正确
B. 错误
我国现阶段的私营经济是指()
A. 以生产资料私人所有和雇佣劳动为基础,以获取利润为生产经营目的的私有制经济
B. 生产资料私人占有,以个人劳动为基础,劳动所得为个体劳动者自己支配
C. 股份制经济
D. 具有社会主义性质的经济