题目

如图所示，两个质量均为m，带电荷量均为+q的小球A、B，一个固定在O点的正下方L处，另一个用长为L的细线悬挂在O点，静止时，细线与竖直方向的夹角为60°，以下说法正确的是（      ）                                                                                                               A．  O点处的电场强度的大小为    B．  A在B处产生的电场强度大小为    C．  细绳上的拉力大The Sweetest SightI was in the most beautiful city in the world, yet I only wanted home.It was an amazing week for my husband and me—the trip of a lifetime. Months ago, when my husband told me that he would have a meeting in London. I expressed my to go to Europe together with him. Then we asked his mother to our two children and started off.During the week’s time, visited London and Paris as much as we could, Big Ben, the Louver and so on. All these were beautiful places we expected to see before. We really enjoyed ourselves.On our last night in Paris, we enjoyed the night view(夜景) of the Eiffel Tower, my husband called home. His mother the phone. In a second, my husband’s face fell and he looked so worried. I could feel something happened.“What’s wrong?” I asked. He didn’t answer and continued to listen. A few minutes later, he said to me that Tony, our seven-year-old son, had fallen off his bike and his leg. He must be sent to hospital at once.At that moment, Paris suddenly lost its charm(魅力).“I don’t want to be here! I shouldn’t be here! I should be home my kids!”We hurried back to our hotel and then to the airport …Finally, we got home. We rushed into our children’s bedroom. Seeing our two children, I suddenly realized the truth: there is no sight(风景)in the world than your children’s faces that greet you at home.1.A. question B. wish C. step D. place2.A. look after B. talk with C. find out D. wake up3.A. he B. she C. we D. they4.A. after B. since C. though D. because5.A. shouted B. finished C. wrote D. answered6.A. ugly B. useful C. right D. bad7.A. hardly B. clearly C. sadly D. truly8.A. danced B. broken C. thrown D. opened9.A. toward B. with C. under D. from10.A. quieter B. richer C. sweeter D. wider