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【单选题】
Hurry up! By the time we get to the church, the marriage service _____. A．had startedB．will haveA.
31. Hurry up! By the time we get to the church, the marriage service _____. A．had started
B.
will have started
C.
has started
D.
must have started
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反馈参考答案：
举一反三
【多选题】(多选)如图所示电路中,电源内阻忽略不计。闭合电键,电压表示数为U,电流表示数为I;在滑动变阻器R 1 的滑片P由a端滑到b端的过程中()
A.
U先变大后变小
B.
I先变小后变大
C.
U与I比值先变大后变小
D.
U变化量与I变化量比值等于R 3
【多选题】1966 年,美国哈佛大学教授雷蒙德·费农( Raymond Vernon) 在其《产品周期中的国际投资与国际贸易》一文中首次提出产品生命周期理论(PLC:product life cycle) 。费农认为“产品生命是指市上的营销生命,产品和人的生命一样,要经历()这样的周期。”
A.
形成
B.
成长
C.
成熟
D.
衰退
【简答题】外缘翻边按变形性质可分为 和 。
【简答题】Listen to the job description of the working staff. Compare with the Chinese version and fill in the blanks with the missing words.
【简答题】外缘翻边按变形性质可分为( )外缘翻边和( )外缘翻边。
【简答题】Listen to the job description of the working staff. Compare with the Chinese version and fill in the blank with the missing words.
【简答题】Listen to the job description of the working staff. Compare with the Chinese version and fill in the blanks with the missing words.
【简答题】Listen to the job description of the working staff. Compare with the Chinese version and fill in the blanks with the missing words.
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