—Next week I will go to a job interview. Will you give me some suggestions? —Smiling is a great way to make yourself ________. A．stand out B．turn out C．work out D
在一长直导线中通以如图所示的恒定电流时，套在长直导线上的闭合线环（环面与导线垂直，长直导线通过环的中心），当发生以下变化时，肯定能产
We welcome good employees, ______ their age or sex. A. thanks to B regardless of C. because of D. due to
(8分)如图所示，斜面长S=10m，高h=4m．用沿斜面方向的推力F，将一个重 为100N的物体由斜面底端A匀速推到顶端B．运动过程中物体克服摩擦力做了100J的功
下列物质中属于混合物的是 A．碳酸氢铵 B．氮气 C．空气 D．红磷
——She looks rather upset. She have failed the exam. ——I guess so. It's very difficult after all. A. could B. should C.
—Why did youLinda’s invitation, Frank? —Because I had to go to the doctor. A. acceptB. refuseC. catch
“创新是一个民族的灵魂。”中国作为一个历史悠久的国家，政治制度多有创新，而且体系完备、影响深远。 材料一 自古至周天下封建……秦皇帝荡
