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【单选题】
直线趋势yt=a+bt中a和b的意义是（ ）。A.
a 是截距， b 表示 t =0 的趋势值；
B.
a 表示最初发展水平的趋势值， b 表示平均发展水平；
C.
a 表示最初发展水平的趋势值， b 表示平均发展速度；
D.
a 是直线的截距，表示最初发展水平的趋势值， b 是直线的斜率，表示按最小平均法计算的平均增长量。
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举一反三
【单选题】–Why did you choose Jennifer as the leader of the team? --No one was equal ______ her ______ skills and experience.
A.
to; on
B.
with; on
C.
with; in
D.
to; in
【简答题】Part A Suppose you have done something wrong to your friend Jennifer because of misunderstanding. Now write a letter an apology to her. You should write approximately 100 words. Do not sign you...
【简答题】Choose the correct sentences from the following four choices. Imagine you are a friend of Jennifer. Tomorrow is your birthday. You are inviting her to come to your birthday party. You: Jennifer, 1 ___...
【单选题】听力原文：M：What happened to you，Jennifer? Who hit you on the leg? W：Nobody．I was just running with my brother and hit my leg against the tree． Q：What do we learn from the conversation? (18)
A.
Jennifer is wearing a bandage over her leg.
B.
Jennifer will be a runner.
C.
Jennifer's brother hit her in the leg.
D.
Jennifer tried to climb the tree.
【单选题】You may ______ it that Jennifer will come and help us if we are in trouble.
A.
base on
B.
rely on
C.
carry on
D.
hold on
【简答题】You will hear a conversation between Jennifer and Paul. Listen to the first part of the conversation and fill in the blanks with the missing sentences. Jennifer: Hi, Paul! It’s you! 1) ____________. H...
【简答题】You will hear a conversation between Jennifer and Paul. Listen to the first part of the conversation and fill in the blanks with the missing sentences. Jennifer: Hi, Paul! It’s you! 1) _______________...
【简答题】• Jennifer: Hi, Paul! It’s you! 1)________. How are you? • Paul: Very well, thank you. And you, Jennifer? • Jennifer: Not too bad. Rebecca told me you’ve got a new job. So, 2) ___________? • Paul: I’m...
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