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【单选题】
在图示电路中 ,可调变阻器R获得最大功率的条件是A.
AΩ
B.
BΩ
C.
CΩ
D.
DΩ
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【简答题】u06p32.mp3: 3. Which of the following is NOT among the preparations that Jack has to make for taking the delivery? A. Getting the trucks to transport the goods. B. sure that there are enough pe...
【简答题】Section B Directions: There are 5 incomplete statements here. You should fill in each blank with the proper form of the word given in brackets. Write the word or words in the corresponding space on t...
【简答题】听下面一段材料，回答第1至3题。 1. How many classes are there in Senior One this year? [ ] A. 28. B. 32. C. 42. 2. What do we know about the school? [ ] A. Some of the teachers there have to teach more class...
【单选题】Melissa Poe
Melissa Poe was 9 years old when she （31） a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts， her letter was reproduced on over 2...
A.
creation
B.
across
C.
implement
D.
before
E.
members
F.
began
G.
turned
H.
purpose
I.
overwhelming
J.
efforts
【简答题】Section B Directions: There are 5 incomplete statements here. You should fill in each blank with the proper form of the word given in the brackets. 31. Mr. Johnson, together with his wife and two daug...
【简答题】简述运动中造成腹痛的原因及处理方法。
【单选题】However, there are things you can do to make every minute count.
A.
然而，有些事情你可以每分钟计数。
B.
然而，你会有办法数每一分钟。
C.
然而，你会有办法做到分秒必争。
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