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【判断题】
由于α + β和β型钛合金都能发生同素异构转变,所以他们可进行热处理强化。A.
正确
B.
错误
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【单选题】She was very hardworking ________he was very lazy.As a result，she passed the examination，but he failed. [ ]
A.
when
B.
since
C.
while
D.
as
【简答题】Geena David knew she wanted to be a movie star when she was very young. She was not sure what gave her the idea, but she wanted to look like a movie star. “I have a lot of pictures from my childhood o...
【判断题】We thought she did not like us. In fact she was very shy. →We thought she did not like us, whereas in fact she was very shy.
A.
正确
B.
错误
【简答题】Geena David knew she wanted to be a movie star when she was very young．She was not sure what gave her the idea, but she wanted to look like a movie star．“I have a lot of pictures from my childhood of ...
【简答题】Alice was twenty-three years old, and she was a nurse at a big hospital . She was very kind and all of her patients (病人) likes her very much . One day she was out shopping. She saw an old woman. The w...
【简答题】Six-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very...
【简答题】若梁在某段内各横截面的弯矩为常量,剪力为零,则该段梁的弯曲就称为 ___________ ,此时横截面上只有 应力。
【简答题】阅读理解。 Alice was 23 years old. And she was a nurse at a hospital. She was very kind, and all her patients liked her very much. One day she was out shopping when she saw an old woman waiting to cross a ...
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