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听力原文: Nearly every day we are reminded to get more exercise, but this can be hard to do with the hectic lifestyles we have today. Multi-tasking—doing two or more things at the same time—is now a common theme in the workplace. So, why not try and combine your daily commute with a good aerobic workout? Cycling is a great way of doing just that, and you can get to work just as quickly as you can by car for most journeys under five miles. And you don't have to pay for parking. As part of National Bike Week, our cycle forum is holding a bike riders' breakfast on Thursday, July 16 in front of the Collins Building. If you can show that you arrived at work by bike, there will be free coffee, orange juice, fruit, and yogurt awaiting you! What example of multitasking does the speaker give?
A.
Eating breakfast while driving to work
B.
Commuting while getting exercise
C.
Thinking while cycling
D.
Drinking coffee while working
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【单选题】两圆柱正交,且直径相等,相贯线的几何形状为( )。
A.
平面椭圆曲线
B.
平面圆曲线
C.
直线
D.
空间曲线
【单选题】空胶囊的主要原料是 ?
A.
食用色素
B.
明胶
C.
甘油
D.
琼脂
E.
西黄蓍胶
【简答题】冲模装配的工艺过程主要包括四个阶段:装配前的( )、组装、( )、检验与( )。
【判断题】Most buses can buy ticket before getting on
A.
正确
B.
错误
【单选题】两圆柱相交,当相贯线的几何形状为平面椭圆曲线时,两圆柱的轴线正交且直径一定()
A.
不等
B.
相等
C.
向大变化
D.
向小变化
【单选题】空胶囊的主要原料是
A.
食用色素
B.
明胶
C.
甘油
D.
琼 脂
【单选题】空胶囊的主要原料是
A.
聚乙二醇
B.
明胶
C.
甘油
D.
琼脂
【单选题】患者 , 男 ,66 岁。 COPD 病史 6 年。近半年来出现发绀、 呼吸困难加重。查体 : 颈静脉怒张、肝颈静脉回流征 阳性、水肿 , 考虑为慢性肺源性心脏病。为明确诊断 进行了各项检查 , 其结果不符合诊断的是
A.
X 线胸片双肺透亮度增加
B.
心电图检查有肺型 P 波
C.
血红蛋白下降
D.
血气分析可有 PaO2 降低 ,PaCO2 升高
E.
超声心动图显示右心室肥厚
【单选题】空胶囊的主要原料是
A.
聚乙二醇
B.
明胶
C.
甘油
D.
琼脂
E.
阿拉伯胶
【单选题】空胶囊的主要原料是
A.
淀粉
B.
蔗糖
C.
糊精
D.
明胶
E.
阿拉伯胶
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