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PART 3 Discussion topics: ★Developments in education How has education changed in your country in the last 10 years? What changes do you foresee in the next 50 years? ★A national education system How do the expectations of today's school leavers compare with those of the previous generation? What role do you think extracurricular activities play in education? ★Different styles/methods of teaching and learning What method of learning works best for you? How beneficial do you think it is to group students according to their level of ability?
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【单选题】在甚高频全向信标系统中,向磁北极发射的信号与向磁南极发射的信号与基准信号的相位差分别为
A.
180°，0°
B.
90°，0°
C.
0°，90°
D.
0°，180°
【简答题】当前在文学含义和属性问题上有哪些代表性观点?教材把文学视为话语蕴藉中的审美意识形态，它表现在哪几点上?
【单选题】Steeplechase Co sold a machine to a Greek company which it agreed to invoice in €. The sale was made on 1 October 20X6 for €250,000. €125,000 was received on 1 November 20X6 and the balance is due on ...
A.
$147,059
B.
$137,363
C.
$131,579
D.
$130,586
【简答题】已知在等比数列{ a n }中, a 2 = , a 5 = (1) 求数列{ a n }的通项公式; (2) 若数列{ b n }满足 b n = a n + n ,求{ b n }的前 n 项和 S n .
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