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【单选题】
（21）已知时间数列中最初水平和期末水平，计算平均发展速度时采用的方法是（ ）。A.
累计法
B.
水平法
C.
移动平均法
D.
算术平均法
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举一反三
【单选题】That student ______ his hand every time I ask a question.
A.
gets up
B.
rises
C.
raises
D.
straightens
【简答题】Just give me a yes or no. I don't need any explanations. [A] sharp [B] strict [C] straight [D] small
【单选题】When the suspected criminal appeared in court, the judge cast a______look at him.
A.
straightforward
B.
sharp
C.
stern
D.
savage
【简答题】This is me ( ) a prototype for six hours straigh. 这是我正在做的一个模型,足足花了6个小时。
【简答题】阅读下面的短文，判断正(√)误(×)。 Boy: How do we go to the park? Girl: Let's go there by bike! Go straight from here. Then turn right. It's next to the hospital. Come on! Let's go. Boy: No! Wait a minute. It's a re...
【简答题】A．Its comfortable hotels. B．Its good weather all year round. C．Its exciting football matches. D．Its religious beliefs.
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