若函数f(x)=sin(ωx+φ)的图像(部分)如图所示,则ω和φ的取值是()。
A.A
B.B
C.C
D.D
参考答案:C
解析:
由图像可知T=4π,
故
We should give love to the children _ lost their parents in the earthquake.[ ]
A. who
B. whom
C. those
D. which
与安全行车有关的不良情绪通常表现为()。
A.恐惧.紧张
B.犹豫不决
C.骄傲自满
D.急躁