enthusiasm congratulate anniversary amazingproud pretend opportunitybe admitted tojump for joypromotionsuccess2. Don’t _____________ to know what you don’t know.

enthusiasm congratulate anniversary amazingproud pretend opportunitybe admitted tojump for joypromotionsuccess3. Consider changing jobs or trying for _____________.

enthusiasm congratulate anniversary amazingproud pretend opportunitybe admitted tojump for joypromotionsuccess4. She _____________ him on the birth of his son.

enthusiasm congratulate anniversary amazingproud pretend opportunitybe admitted tojump for joypromotionsuccess5. Why do we forget to call him on his marriage _____________?

enthusiasm congratulate anniversary amazingproud pretend opportunitybe admitted tojump for joypromotionsuccess6. I find it _____________ that you can’t swim.

enthusiasm congratulate anniversary amazingproud pretend opportunitybe admitted tojump for joypromotionsuccess7. Don’t miss this _____________, it may never come again.

enthusiasm congratulate anniversary amazingproud pretend opportunitybe admitted tojump for joypromotionsuccess8. Of her plays, three were _____________ and one was a failure.

直导体在均匀磁场中运动时，导体中产生动生电动势。导线中的非静电场等于

A. 速度与磁感应强度的矢量和
B. 速度与磁感应强度的矢量积
C. 速度与磁感应强度的标量积
D. 磁感应强度与速度的矢量积

磁场沿z轴正方向的均匀磁场中，平行于x轴的直导线沿y轴正方向运动，则导线中非静电场强的方向为

A. x轴的正方向
B. y轴的正方向
C. z轴的正方向
D. x轴的负方向

导体在磁场中切割磁感应线运动时，导体中产生动生电动势。产生动生电动势的非静电力是

A. 安培力
B. 感生电场力
C. 洛仑兹力
D. 摩擦阻力