Fehl picked up the most tolerant scrambled gene by using machines.
A. Right
B. Wrong
C. Not mentioned
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What are the main factors that determine different rates of aging？
A. Optimistic ways of life.
B. A family with three children.
C. A regular sleep pattern.
D. Heredity and life-style.
How do people usually respond when they are watching movies？
A. They feel that everything on the screen is familiar to them.
B. They are touched by the life-stories of the actors and actresses.
C. They try to turn their dreams into reality.
D. They become so involved that they forget their own problems.
公务员应当忠于职守，勤勉尽责，服从和执行上级依法作出的决定和命令。（）
A. 正确
B. 错误
They worked for three days in ______ without feeling tried.
A. successive
B. succession
C. succeeding
D. successful
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