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【简答题】
阅读理解。 I Get to Sew and Cook at School. Walk into my school, and you will smell food cooking, this is the class where we learn how to sew and cook. In the sewing class, we first learn simple things, like the parts of the sewing machine and how to sew with a needle. For the first sewing project we made a simple bag, To make the bag ,we had to learn to use the sewing machine. Projects are easy in Grades 6 and 7, but become harder and harder gradually. In Grade 8,we have to use what we've learned in Grades 6 and 7 (and maybe some new things, too) to put together an even more difficult project. The cooking part is usually our favorite. We learn about the ingredients(原料),like flour and baking soda (发酵粉),and what they are used for. The teacher tells us how to use them. Then, we learn how to measure (估量) ingredients. But, sometimes, we have to guess the right measurements with our own eyes. There are many groups in the cooking class. Each group has a small kitchen to work in. We use the equipment(设备)in the kitchen to make all kinds of food. Some of the food smells good and tastes delicious. Other food made by the students is too terrible to eat! Later, we need to wash and dry dishes and clean up the kitchen. It is our duty. After all, it's not all fun! 1. In which class do we use needle? A. English. B. Sewing class. C. Cooking class. D. Math. 2. We learned to use the sewing machine for the ______. A. needle B. class C. simple bag D. project 3. Projects are hardest in Grade ______. A. 6 B. 7 C. 6 and 7 D. 8 4. Who tells us how to use flour and baking soda? A. Father. B. Mother. C. The teacher. D. Classmates. 5. What should we do after cooking? A. Play games. B. Clean up the kitchen. C. Wash and dry dishes. D. B and C.
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【判断题】污水处理中活性污泥法和生物膜法都属于好氧生物处理
A.
正确
B.
错误
【简答题】关于声音 ,下列说法正确的是 ( ) A .听到声音就一定有振动 B .有振动就一定能够听到声音 C .声音越大传播速度越快 D .真空也能够传播声音
【单选题】关于声现象,下列说法正确的是( )
A.
.声音的传播速度为 340m/s
B.
.医院中使用听诊器是为了更好的传递声能
C.
.人们能辨别不同乐器发出的声音,是因为它们的音调不同。
D.
.一般女生的音调比男生低
【单选题】面包烘焙最适于采用( )的条件。
A.
面火120℃,底火250℃-面底火均270℃-面火180℃,底火140℃
B.
面火180℃,底火140℃-面底火均270℃-面火120℃,底火250℃
C.
面火220℃,底火220℃
D.
面火250℃,底火120℃-面底火均260℃-面火180℃,底火140℃
【单选题】入院后该患者的饮食为
A.
冷流质
B.
半流质
C.
禁食
D.
无渣冷流质
【判断题】活性污泥法和生物膜法属于生物处理法。
A.
正确
B.
错误
【简答题】关系运算符有哪些?写出符号即可
【单选题】患者,男,17岁,学生,为迎考偶尔饮食不规律,因上腹痛10天,呕吐咖啡样物2天伴头晕,心悸2小时入院,4天前曾服用百服宁及感冒通,入院时T:37°C、P:116次/分、R22次/分、BP96/58mmHg 急诊血常规示:HBG85g/L,余无明显异常。入院诊断为上消化道出血。 入院后该患者的饮食为
A.
冷流质
B.
半流质
C.
禁食
D.
无渣冷流质
【单选题】下列关于声现象的说法中正确的是:( )
A.
一切发声的物体都在振动
B.
声音在不同介质中的传播速度相同
C.
声音在真空中的传播速度为340m/s
D.
公路旁安装“声障墙”是在声源处减弱噪声
【判断题】污水处理中活性污泥法和生物膜法都属于好氧生物处理。
A.
正确
B.
错误
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