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【简答题】
Long Conversation 1.________ A. Because the boss needs her. B. Because the boss will come. C. Because she should listen to the boss. D. Because she has seen her boss. 2.__________ A. Sit around. B. Do nothing. C. Start her work. D. Rack her brain. 3.__________ A. When an idea flashes into her mind. B. When the boss tells her to. C. When she has enough rest. D. When she feels creative. 4. __________ A. Rack his brain. B. Thinking of ideas. C. Sleeping at work. D. Solving problems. 5. __________ A. Tell lazy employees they must work. B. Fire employees who aren't working. C. Help employees work harder. D. Find new jobs for employees.
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【单选题】When the farmers visited the city for the first time, they were _______ by its complicated traffic system.
A.
diverted
B.
evoked
C.
bewildered
D.
undermined
【单选题】At present obtaining more land is only possible as _____ result of urbanization, when more farmers leave _____ rural areas to work in the city.
A.
a ; the
B.
the ; /
C.
a ; /
D.
the ; the
【单选题】2016 年 9 月 15 日在酒泉发射成功的天宫二号是中国( )
A.
新一代重型运载火箭
B.
第一个月球软着陆的无人登月探测器
C.
第一个空间实验室
D.
第一艘无人实验飞船
【单选题】The police got to an old school _______the farmers used as a store.
A.
that
B.
what
C.
where
D.
when
【简答题】对负实数a，数4a+3，7a+7，a 2 +8a+3依次成等差数列 （1）求a的值； （2）若数列{a n }满足a n+1 =a n+1 -2a n （n∈N + ），a 1 =m，求a n 的通项公式； （3）在（2）的条件下，若对任意n∈N + ，不等式a 2n+1 ＜a 2n-1 恒成立，求m的取值范围．
【单选题】在直角坐标系中，O是坐标原点，P 1 （x 1 ，y 1 ），P 2 （x 2 ，y 2 ）是第一象限的两个点，若1，x 1 ，x 2 ，4依次成等差数列，而1，y 1 ，y 2 ，8依次成等比数列，则△OP 1 P 2 的面积是 [ ]
A.
1
B.
2
C.
3
D.
4
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