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【判断题】
判断(2分) 熔点与实际凝固温度的差值称为过冷度( )A.
正确
B.
错误
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举一反三
【单选题】What is said about the speaker?
A.
She studied computer science.
B.
She is a small business owner.
C.
She teaches at Hurley University.
D.
She works for the Chamber of Commerce.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
It takes her long time to be there.
B.
She must have her car repaired.
C.
She must finish something by herself.
D.
She can not find a garage.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
1:50.
B.
1:55.
C.
2:00.
D.
2:05.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
1:50.
B.
1:55.
C.
2:00.
D.
2:05.
【简答题】如图，已知∠1=∠2，∠B=∠C。 求证：（1）CE∥BF； （2）∠B=∠3； （3）∠A=∠D。
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
A holiday.
B.
Luck.
C.
Work..
D.
An accident.
【简答题】4 已知A=(1，2，3)，B=(2，3，1)，C=(3，1，2)，求A·(B×C)和A×(B×C)
【判断题】The speaker lived with students from different countries when she studied in the UK.
A.
正确
B.
错误
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