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【单选题】
64D半自动闭塞6502电气集中车站，同意接车，信号员在办理闭塞手续时，执行“一听、二看、三按、四确认”作业程序，其中四确认是确认控制台接车表示灯亮（）。A.
红灯
B.
C.
绿灯
D.
灭灯
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举一反三
【简答题】根据课文内容回答问题 1.How did people behave towards Cheryl when she was younger? 2.What has she achieved so far? 3.What does Cheryl do in her free time? 4.How does Cheryl’s mother feel about her daughter’s siz...
【单选题】Scenario 6-1As part of an estate settlement Mary received $1 million. She decided to use the money to purchase a small business in Anywhere, USA. Her business operates in a perfectly competitive indus...
A.
-$150,000
B.
-$50,000
C.
-$25,000
D.
$25,000
【简答题】根据短文内容及所给首字母提示填空,使短文完整、通顺。 Hi, I’m Amy! Let me tell you something about my family’s and my free time activities. My father a (1) spends all his free time watching TV. In other words, he is a couc...
【简答题】My pen pal is an American girl. She often ____1___ (tell) something about her school life in her letter. She gets up ___2___ about six o’clock. After breakfast, she usually takes a yellow school bus t...
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