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Many people believe Henry Ford invented the automobile (汽车). But Henry Ford did not start to build his first car until 1896. That was eleven years after two Germans developed the world's first automobile. Many people believe Henry Ford invented the production line that moved a car's parts to the worker, instead of making the worker move to the parts. That is not true, either. Many factory owners used methods of this kind before Ford. What Henry Ford did was to use other people's ideas and make them better. And he made the whole factory a moving production line. In the early days of the automobile, almost every car maker raced his cars. It was the best way of gaining public notice. Henry Ford decided to build a racing car. Ford's most famous race was his first one. It was also the last race in which he drove the car himself. The race was in 1901, at a field near Detroit. All of the most famous cars had entered, but only two were left: the Winton and Ford's. The Winton was famous for its speed. Most people thought the race was over before it began. The Winton took an early lead. But halfway through the race, it began to lose power. Ford started to gain. And near the end of the race, he took the lead. Ford won the race and defeated the Winton. His name appeared in newspapers and he became well-known all over the United States.Within weeks of the race, Henry Ford formed a new automobile company. In 1903, a doctor in Detroit bought the first car from the company. That sale was the beginning of Henry Ford's dream.Ford said: “I will build a motor car for the great mass of people. It will be large enough for the family, but small enough for one person to operate and care for. It will be built of the best materials. It will be built by the best men to be employed. And it will be built with the simplest plans that modern engineering can produce. It will be so low in price that no man making good money will be unable to own one.” The Model T was a car of that kind. It only cost $850. It was a simple machine that drivers could depend on. Doctors bought the Model T. So did farmers. Even criminals. They considered it the fastest and surest form of transportation. Americans loved the Model T. They wrote stories and songs about it. Thousands of Model T's were built in the first few years.
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【简答题】循环队列Q存储在数组A[0…m]中,则当有元素入队时,队尾指针的变化是 。
【判断题】三羧酸循环的所有中间产物中,只有草酰乙酸可以被该循环中的酶完全降解。
A.
正确
B.
错误
【单选题】下列关于视觉运动的规律不正确的是( )。
A.
眼睛沿垂直方向运动比沿水平方向运动快而且不易疲劳;一般先看到垂直方向的物体,后看到水平方向的物体。
B.
视线的变化习惯于从左到右,从上到下和顺时针方向运动。所以仪表的刻度方向设计也应遵循这一规律。
C.
人眼对水平方向尺寸和比例的估计比对垂直方向尺寸和比例的估计要准确得多。
D.
当眼睛偏离视中心时,在偏离距离相等的情况下,人眼对左上限的观察最优,依次为右上限、左下限、而右下限最差。视区内仪表的布置应考虑这一点。
【判断题】三羧酸循环的所有中间产物中,只有草酰乙酸可以被该循环中的酶完全降解
A.
正确
B.
错误
【判断题】三羧酸循环的所有中间产物中,只有草酰乙酸可以被该循环中的酶完全水解
A.
正确
B.
错误
【单选题】循环队列Q存储在数组A[0,...,m]中,则入队时的操作为( )。
A.
rear=rear+1
B.
rear=(rear+1)%(m-1)
C.
rear=(rear+1)%m
D.
rear=(rear+1)%(m+1)
【单选题】三羧酸循环中只以FAD为辅助因子的是()
A.
α-酮戊二酸脱氢酶系
B.
丙酮酸脱氢酶系
C.
琥珀酸脱氢酶
D.
苹果酸脱氢酶
E.
异柠檬酸脱氢酶
【单选题】以下关于病理性缩复环的描述,错误的是()
A.
子宫上段逐渐变薄
B.
在脐部或脐部以上可见明显环状凹陷
C.
子宫在病理性缩复环处及其下方发生破裂
D.
子宫下段被动拉长变薄
E.
宫体增厚变短
【单选题】She did not see Smith. ________.
A.
Nor didn’t I
B.
Neither I did
C.
So didn’t I
D.
Neither did I
【单选题】以下关于病理性缩复环的描述,错误的是( )
A.
为克服产道阻力,子宫收缩逐渐增强
B.
在脐部或者脐部以上可见明显环状凹陷
C.
子宫上段逐渐变薄
D.
子宫下段被动拉长变薄
E.
子宫下段有压痛
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