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阅读理解。 14-year-old Jason Morgan talks about an exciting science project. Last month I got the chance to take part in an underwater research project in an area of the Gulf of Mexico called the Flower Gardens. A team of professional researchers' led by the scientist Dr Matt Phillips, was trying to learn more about the fish and different creatures that live in this part of the sea. The Flower Gardens are a long way from the shore (海岸) and we spent three days on a boat. The team used a piece of underwater equipment called ROV to collect information. The ROV was great fun. It was controlled by a computer on the boat, and I was allowed to operate it a few times. However, the thing I enjoyed most was diving (潜水) into the water. At first, I was quite scared---mainly because I couldn' t see land in any direction. But as soon as I jumped into the water, I wasn't afraid anymore. It was amazing to see the colorful fish swimming around and I could see all the ways to the Flower Gardens, which are almost 30 meters down. I will never forget the Flower Gardens. The trip was like a holiday but I also learnt new things about science and research projects. It was a great opportunity and it has made me think about my goals (目标) in life. The experience will help me work harder to become a scientist. 1. Jason and the team stayed on the boat for ______ days. A. three B. two C. five D. eight 2. What did Jason think of the ROV? A. It was boring. B. It was difficult to operate. C. It was great fun. D. It was an expensive piece of equipment. 3. Jason didn't ______ in the Flower Gardens. A. operate the ROV B. walk along the shore C. dive in the water D. see many colorful fish 4. What influence has the trip had on Jason? A. It has changed his opinion of science. B. It has improved the way he works in a team. C. It has made him more interested in the sea. D. It has encouraged him to work harder towards his goals. 5. What might Jason write in his diary about the trip? A. It was interesting to work with Dr Phillips and his team but I wish someone else had been on the trip. B. The Flower Gardens are beautiful but scientists are worried that pollution are worried that pollution. C. The trip was like a holiday and I saw some amazing fish. The only thing I dislike was collecting information about the sea. D. Going to the Flower Gardens was great fun. I now know much more about science but I realize there's still a lot more to learn.
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【单选题】在选用 刀开关时( )应等于或大于电路额定电压,其额定电流应等于或稍大于电路的工作电流
A.
实际电压
B.
动作电压
C.
额定电压
D.
额定脉冲 电压
【单选题】“人类社会发展的历史表明,对一个民族、一个国家来说,最持久、最深层的力量是全社会共同认可的核心价值观。”在当代中国,集中体现当代中国精神,凝聚全体人民共同价值追求的是
A.
中华优秀传统文化
B.
社会主义法治精神
C.
共产主义道德要求
D.
社会主义核心价值观
【单选题】刀开关的( )应等于或大于电路额定电压,其额定电流应等于或稍大于电路的工作电流。
A.
额定电压
B.
动作电压
C.
实际电压
D.
电压
【简答题】云课堂作业7七选五.docx
【单选题】21课堂作业7.为使流水施工中施工段的划分更科学合理,通常应使()
A.
施工段数与流水节拍相等
B.
施工段数大于等于施上过程数
C.
施工段数小于等于施千队数
D.
施工段数小于流水节
【单选题】刀开关的( )应等于或大于电路额定电压,其额定电流应等于或稍大于电路的工作电流。
A.
额定电压
B.
动作电压
C.
实际电压
D.
额定脉冲 电压
【单选题】采用非水溶液滴定法测定盐酸麻黄碱,加人醋酸汞是( )
A.
消除麻黄碱干扰
B.
消除氢卤酸干扰
C.
消除氮原子千扰
D.
消除高氯酸干扰
【单选题】在选用 刀开关时( )应等于或大于电路额定电压,其额定电流应等于或稍大于电路的工作电流
A.
实际电压
B.
额定电压
C.
额定脉冲电压
D.
动作电压
【判断题】社会主义核心价值观是当代中国精神的集中体现,凝聚着全体人民共同的价值追求。( )
A.
正确
B.
错误
【判断题】社会主义核心价值观是当代中国精神的集中体现,凝聚着全体人民的共同价值追求。
A.
正确
B.
错误
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