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【单选题】
澳大利亚东部有一种外形奇特而美丽的琴鸟，它们大都在冬季繁殖，可以避免蛇类前来偷食雏鸟，这是 [     ]
A.
受非生物因素制约的结果
B.
人工选择的结果
C.
适应的相对性
D.
自然选择的结果
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参考答案：
举一反三
【单选题】What bothered the author after he drove by the hitchhiker?
A.
He had left the young man stranded in the desert
B.
He had easily reached the decision not to help him.
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【简答题】听下面一段材料，回答第1至3题。 1. Why does the man complain? [     ] A. Because he's always awake at midnight. B. Because his roommate wants to move out. C. Because he's bothered by his roommate. 2. What has happen...
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【单选题】如图4­2­17,∠ACB=90°,AC=BC,AD⊥CE,BE⊥CE,垂足分别是点D,E,AD=3,BE=1,则DE的长是____ 图4­2­17
A.
3/2
B.
2
C.
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【单选题】如图3­3­17,已知一次函数y=ax+b和反比例函数y= 的图象相交于A(-2, ),B(1, )两点,则关于x的不等式ax+b< 的解集为____ 图3­3­17
A.
． x ＜－ 2 或 0 ＜ x ＜ 1
B.
． x ＜－ 2
C.
． 0 ＜ x ＜ 1
D.
．－ 2 ＜ x ＜ 0 或 x ＞ 1
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【简答题】情景对话。 根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处的最佳选项。 选项中有两个为多余选项。 Mary:  Hello. Stranger:  Hello.    __ 1 __ Mary:  I’m sorry, but there’s no one here by that name. Stranger:  Isn’t this the Smiths? Mary:  __ 2...
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【单选题】Judging from Paragraph 2, the online environment can be less intimidating because online students _____.
A.
have unique qualities that best fit the online environment
B.
are not bothered by other students
C.
are allowed more time to think about the information before replying
D.
can answer questions without other people reading what they write
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【简答题】Would you eat a ready meal from the fridge rather than cook by yourself? Have you been doing Internet shopping rather than going to the stores? What can’t you be bothered to do? A study into how lazy ...
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【简答题】We no longer want to be bothered with the moral dissertations of which the eighth century was so fond, nor with the lengthy descriptions of scenery which were favoured in the nineth. When the ...
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【单选题】17题
A.
独立样本T检验 (1) (2)公式 （3）nˊ=n1+n2-2
B.
单个样本T检验 (1) (2)公式 （3）nˊ=n-1
C.
卡方检验 (1) (2)公式 （3）nˊ=（行-1）*（列-1）
D.
配对T检验 (1) (2)公式 （3）nˊ=n-1
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【单选题】Q2: What can we know from the short dialogue?
A.
The woman doesn't accept the man's apology.
B.
The woman wasn't bothered by the delay.
C.
The man didn't realize the woman was waiting.
D.
The man waited a long time for the bus.
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相关题目：
【单选题】What bothered the author after he drove by the hitchhiker?
A.
He had left the young man stranded in the desert
B.
He had easily reached the decision not to help him.
查看完整题目与答案
【简答题】听下面一段材料，回答第1至3题。 1. Why does the man complain? [     ] A. Because he's always awake at midnight. B. Because his roommate wants to move out. C. Because he's bothered by his roommate. 2. What has happen...
查看完整题目与答案
【单选题】如图4­2­17,∠ACB=90°,AC=BC,AD⊥CE,BE⊥CE,垂足分别是点D,E,AD=3,BE=1,则DE的长是____ 图4­2­17
A.
3/2
B.
2
C.
查看完整题目与答案
【单选题】如图3­3­17,已知一次函数y=ax+b和反比例函数y= 的图象相交于A(-2, ),B(1, )两点,则关于x的不等式ax+b< 的解集为____ 图3­3­17
A.
． x ＜－ 2 或 0 ＜ x ＜ 1
B.
． x ＜－ 2
C.
． 0 ＜ x ＜ 1
D.
．－ 2 ＜ x ＜ 0 或 x ＞ 1
查看完整题目与答案
【简答题】情景对话。 根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处的最佳选项。 选项中有两个为多余选项。 Mary:  Hello. Stranger:  Hello.    __ 1 __ Mary:  I’m sorry, but there’s no one here by that name. Stranger:  Isn’t this the Smiths? Mary:  __ 2...
查看完整题目与答案
【单选题】Judging from Paragraph 2, the online environment can be less intimidating because online students _____.
A.
have unique qualities that best fit the online environment
B.
are not bothered by other students
C.
are allowed more time to think about the information before replying
D.
can answer questions without other people reading what they write
查看完整题目与答案
【简答题】Would you eat a ready meal from the fridge rather than cook by yourself? Have you been doing Internet shopping rather than going to the stores? What can’t you be bothered to do? A study into how lazy ...
查看完整题目与答案
【简答题】We no longer want to be bothered with the moral dissertations of which the eighth century was so fond, nor with the lengthy descriptions of scenery which were favoured in the nineth. When the ...
查看完整题目与答案
【单选题】17题
A.
独立样本T检验 (1) (2)公式 （3）nˊ=n1+n2-2
B.
单个样本T检验 (1) (2)公式 （3）nˊ=n-1
C.
卡方检验 (1) (2)公式 （3）nˊ=（行-1）*（列-1）
D.
配对T检验 (1) (2)公式 （3）nˊ=n-1
查看完整题目与答案
【单选题】Q2: What can we know from the short dialogue?
A.
The woman doesn't accept the man's apology.
B.
The woman wasn't bothered by the delay.
C.
The man didn't realize the woman was waiting.
D.
The man waited a long time for the bus.
查看完整题目与答案
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