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Part B Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE. 听力原文:W: Today's November fifteenth. It's almost time for Thanksgiving. M: What are your plans for Thanksgiving day? W: The same as usual. My aunts and uncles and cousins come to our house for dinner. M: Do you cook the turkey? W: My mother cooks it. But I prepare the vegetables. My aunts usually bring the pies. M: My father and I go to my married sister's every year. When my mother was alive, the whole family came to our house. The women cooked the meal, and the men washed the dishes. W: In out family the kids wash the dishes. The whole thing is a lot of work. M: Yes, but I like Thanksgiving. I was out of the country last year, and I really missed it. That's one time in the year when families get together. How does the man usually spend Thanksgiving?
A.
Going out with some of his friends.
B.
Holding a big party in his house.
C.
Staying at home with his wife.
D.
He joins his family who get together.
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【单选题】cos100 o =sin ,那么满足条件的x的最小正角是( ▲ )
A.
80 o
B.
10 o
C.
190 o
D.
350 o
【单选题】已知sin80°=a,则cos100°的值等于(  )
A.
1 -a 2
B.
- 1 -a 2
C.
- 1 1 -a 2
D.
-a
【单选题】()是世界上第一个建立专利制度的国家。
A.
法国
B.
英国
C.
意大利
D.
瑞典
【简答题】cos100°cos40°+sin100°sin40°=
【单选题】中频电疗法所采用的电流频率多在
A.
2000~8000Hz
B.
100~1000Hz
C.
1000~100000Hz
D.
1000Hz以下
E.
2000~100000Hz
【单选题】桥式起重机上采用的绕线式异步电动机为了满足起重机调速范围宽、调速平滑的要求,应采用()调速。
A.
调电源电压的方法
B.
转子回路串接频敏变阻器的方法
C.
定子绕组串接电阻
D.
转子回路串接调速电阻的方法
【单选题】中频电疗法所采用的电流频率多在?
A.
2000~8000 Hz之间
B.
100~1000Hz
C.
1000~100000Hz
D.
1000 Hz以下
【判断题】cos100°<0< /div>
A.
正确
B.
错误
【单选题】患者男性,35岁。因车祸致头部外伤,当即头痛,呕吐,随即出现昏迷,送往医院途中患者短暂清醒,到达医院后格拉斯哥评分6分。 该患者初步诊断是
A.
脑震荡
B.
脑挫裂伤
C.
硬膜外血肿
D.
硬膜下血肿
E.
脑内血肿
【判断题】-cos100°A. 对 B. 错
A.
正确
B.
错误
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