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【单选题】
Some adverts, like the environmental protection advertisements, ________ to our conscience or our desire to be worthy citizens. [     ]
A.
adapt
B.
attach
C.
appeal
D.
adjust
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【单选题】青铜是( )的合金,有熔点低和硬度大等优点。
A.
红铜和锡
B.
黄铜和锡
C.
红铜和铅
D.
黄铜和铅
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【多选题】避免集重装载的方式有（     ）
A.
加横垫木
B.
加纵垫木
C.
直接放车地板上
D.
先加横垫木再加纵垫木
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【简答题】Task 6 Complete the following mini dialogs with the help of the information given in brackets. A: Please Airlines. May I help you? B: Yes, ________________1.________________________from New York to ...
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【简答题】Task 6 Complete the following mini dialogs with the help of the information given in brackets.
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【单选题】¡Elena, te ________ por teléfono!
A.
llaman
B.
llamen
C.
llamarán
D.
llamaran
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【简答题】Task 6 Complete the following mini dialog and practice orally with your partner. 1. A: What is top of the agenda for the meeting?
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【简答题】(课后习题1-4 )一部电话机键盘上有10个数字键(0~9)。设发送数字1的概率为0.3,发送数字3和8的概率分别为0.14,发送数字2,4,5,6,7,9和0的概率分别为0.06.试求: (1)每键的平均信息量(熵); (2)如果按键速率为2个/s,试计算传输的信息速率。
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【单选题】Which of the following networking methods allows us to show that the last % of one element cannot be completed until % of a previous element has been completed?
A.
PERT
B.
ADM
C.
PDM
D.
All of the above.
E.
A and C only.
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【简答题】Pone el maletín ( ) ( ) mostrador y le dice ( ) recepcionista: “Por favor, quiero ( ) habitación.”
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【单选题】Which element is expected to show the greatest tendency to form some covalent compounds?
A.
aluminium
B.
calcium
C.
magnesium
D.
sodium
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【单选题】青铜是( )的合金,有熔点低和硬度大等优点。
A.
红铜和锡
B.
黄铜和锡
C.
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D.
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【多选题】避免集重装载的方式有（     ）
A.
加横垫木
B.
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C.
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【简答题】Task 6 Complete the following mini dialogs with the help of the information given in brackets. A: Please Airlines. May I help you? B: Yes, ________________1.________________________from New York to ...
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【简答题】Task 6 Complete the following mini dialogs with the help of the information given in brackets.
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【单选题】¡Elena, te ________ por teléfono!
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【简答题】Task 6 Complete the following mini dialog and practice orally with your partner. 1. A: What is top of the agenda for the meeting?
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【简答题】(课后习题1-4 )一部电话机键盘上有10个数字键(0~9)。设发送数字1的概率为0.3,发送数字3和8的概率分别为0.14,发送数字2,4,5,6,7,9和0的概率分别为0.06.试求: (1)每键的平均信息量(熵); (2)如果按键速率为2个/s,试计算传输的信息速率。
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【单选题】Which of the following networking methods allows us to show that the last % of one element cannot be completed until % of a previous element has been completed?
A.
PERT
B.
ADM
C.
PDM
D.
All of the above.
E.
A and C only.
查看完整题目与答案
【简答题】Pone el maletín ( ) ( ) mostrador y le dice ( ) recepcionista: “Por favor, quiero ( ) habitación.”
查看完整题目与答案
【单选题】Which element is expected to show the greatest tendency to form some covalent compounds?
A.
aluminium
B.
calcium
C.
magnesium
D.
sodium
查看完整题目与答案