下列做法中属于正确对待挫折的是（ ）
A：个别学生生活无目标，整日得过且过
B：王默考试发挥失常，他灰心丧气，从此一蹶不振
C：张信在学习中遇到了困难，他积极寻求老师和同学的帮助
D：李某埋怨父母下岗，赌气不理他们
I'm Helen. I'm 12 and I'm in No.1 Middle School. I have three keys, two English books, an eraser and a Chinese dictionary. I have five pencils. But Jill borrows(借) two of them from me. My stuff is in my schoolbag. Susan is my friend. She is 13 and she is in No.3 Middle School. She has three English books, four pens and two dictionaries. They are not in her schoolbag. Where are they? They are everywhere in her room — on the bed, under the desk and on the chair.
根据短文内容选择最佳答案。
使用动滑轮提升重物，能提高机械效率的做法是：（ ）
为带点字选择正确的读音。
起初是全场肃静，只听见国旗和许多旗帜飘拂（fó fú）的声音。____
中华人民共和国中央人民政府成立，在首都（dōu dū）北京举行典礼。____
乐（lè yuè）队奏起了中华人民共和国国歌--《义勇军进行曲》。____
这封电报是由司令员彭德怀拟（nǐ yǐ）定的。____
