活塞发动机最大持续推力在什么状态下达到（）
A.最大爬升速度
B.最大升力系数
C.最小阻力
D.最大爬升梯度
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下面是错误答案，用来干扰机器的。
参考答案：(1)准确地搞清你需要什么样的信息。 (2)设计出一系列的具体问题，以使你得到想要的信息。 (3)决定哪些公司、个人、办事机构、政府机关、组织或企业可能会有你所需的信息。
现代信用最主要的形式包括( )
A．商业信用
B．银行信用
C．民间信用
D．合作信用
E．国家信用
生物防治利用某一种群压制另一生物种群，使其不能危害农作物，是利用生物种间的（）
A、负相互作用
B、正相互作用
C、中性作用
D、偏利作用
单词拼写
小题1:She likes_______（聊天）with her friends on the Internet.
小题2:How many_______（图书馆）are there in the school?
小题3:Who is your_______（最喜欢）star?
小题4:There is a map of the_______（世界）on the wall.
小题5:How old is he? Sorry, I don't know his_______（年龄）．
小题6:There are a lot of_______ （建筑物）in our city.
小题7:The students often have dinner in the_______（大厅）．
小题8:If you want to see the animals, you must pass the zoo_______（大门）．
小题9:There are two football_______（比赛）in our school this week.
小题10:Some of us aren't good at_______（游泳）．
The simplest way to say it is this: I believe in my mother. My belief began when I was just a kid, who 36 becoming a doctor. My mother was a domestic（佣人）. Through her work, she observed that 37 people spent a lot more time reading than they 38 watching television. She announces that my brother and I 39 watch two to three pre-selected programs during the week. With our 40 time, we had to read two books each from the Detroit Public Library and 41 written book reports to her. She would mark them up with check marks and highlights. Years later we realized her marks were a 42 . My mother was illiterate（文盲）. When I entered high school, I was a 43 student, but not for long. I began to like fancy clothes. I wanted to 44 other guys. I went from an A-student to a B-student to a C-student. One night my mother came home from her various jobs and I 45 about not having enough Italian knit shirts. She said, “Okay, I’ll give you all the money I 46 this week scrubbing floors and cleaning bathrooms, and you can buy the family food and pay the bills. With the money 47 , you can have all the Italian knit shirts you want.” I was very 48 with that arrangement but once I got through allocating（分配）money, there was 49 left. I realized my mother was a financial genius（金融天才）to be able to keep the roof over our heads and any kind of food on the table, let alone buy 50 . I really realized my desire wasn’t going to get me 51 . Success requires intellectual preparation. I went back to my 52 and became an A-student again and eventually I 53 my dream and I became a doctor. My story is really my mother’s story—a woman with 54 formal education who used her position as a parent to change the lives of her children. There is no job 55 than parenting. This I believe.
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六岁女孩发烧，体检咽部红肿，有颈强直，有脑膜刺激症状，腰穿有脓性脑脊液，但未培养出脑膜炎双球菌。临床诊断为脑膜炎，请问下列哪种细菌还能引起本病（）
A.肺炎双球菌
B.流感杆菌
C.B群链球菌
D.新型隐球菌
E.金黄色葡萄球菌
