题目内容

The author went through a breathtaking travel six years ago and the experience impressed him deeply because he found a real hero in that emergency.On one Friday morning, a flight 1________for Atlanta, which mainly hosted business travelerswho often traveled by air. Soon after the plane took off, the passengers realized there was something wrong because the aircraft was 2________and jerking. Most of them were3________ travelers and thought this was one of those minor problems. However, things got much worse than they had imagined. The pilot4________ the urgent crisis that one engine was broken and the hydraulic system had 5________, which meant they might have a quite tough 6________. Worse still, they might be about to 7________. Suddenly, panic spread all over the crowd. Many passengers looked visibly frightened. Even the most sobering people looked grim and pale. All around, people cried and screamed. In the 8________, there was a soft and calm voice from a woman who was trying to9________ her daughter. The mother seemed undisturbed by the sounds of grief and fear around her. Even when facing death, the mother still told her daughter firmly about how much she loved her, and put her body over her daughter, trying to protect her as much as she could.Fortunately, the plane10________ safely. No one was hurt in the emergency. However, the mother’s love for her daughter showed people what real courage was.

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B. Fill in the blanks with the expressions given below. Change the form where necessary.down to call inbeat upwind uptrial and error at all costs1. Don’t ____ yourself __ over something that you have no control over.2. They decided to _____ a doctor because the child was not any better.3. Ultimately, he said, the issue came ______ a dispute between the two countries. 4. I always said he would ______ in jail.5. Growth is a process of ___________. You can learn as much from failure as you can from success. Maybe more.6. The bridge must be repaired within three days _________.

A. Fill in the blanks with the words given below. Change the form where necessary.internalditchfabulousrenovateplaster amateur blunderinstinct1. The police ________ badly by arresting the wrong man. 2. The house was severely destroyed, so the couple spent thousands of dollars _________ it.3. The pilot was forced to ____ the jet plane in the Gulf because of the hijacking.4. Unlike the Satellite, it has no ______ battery, though it will accept external batteries made for the iPad. 5. The basis for training relies on the dog’s natural ______ to hunt.6. The _____ was beginning to fall from the walls.7. During each war the monopoly capitalists amassed _______ wealth.8. At college he studied English and did _______ boxing.

数据模型的三要素是()

A. 外模式、模式和内模式
B. 关系模型、层次模型、网址模型
C. 实体、属性和联系
D. 数据结构、数据操作和完整性约束

数据独立性是指()

A. 用户与数据分离
B. 用户与程序分离
C. 程序与数据分离
D. 人员与设备分离

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