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【简答题】
阅读理解 This is our classroom. It's a nice big room. The windows are big and the walls (墙) are white. There is a map of China on the back (后面的) wall. There is a big desk. It's for the teacher. There are some flowers on the teacher's desk. They are for our teacher. She is a good teacher. We like her. There are forty small desks and chairs in the classroom. They are for us students. 1. This is our _____. A. library B. school C. classroom D. family 2. _____ are white. A. The chairs B. The desks C. The blackboard D. The walls 3. _____ is on the back wall. A. A map of China B. A map of the world (世界) C. A picture of our classroom D. A picture of our school 4. _____ are on the teacher's desk. A. Some flowers B. Some pictures C. Some books D. Some maps of China 5. There are _____ students in our class. A. 14 B. 40 C. 30 D. 20
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【简答题】Consider the relational database below. What are the appropriate primary keys? employee (person name, street, city) works (person name, company name, salary) company (company name, city)
【单选题】选择合适的答案填入上图的方框2中 A company name B the person’s name C email address D company logo E company address F phone numbers G the person's job title H company website
A.
company name
B.
the person’s name
C.
email address
D.
company logo
【简答题】Company Name:
【判断题】液体在外力作用下流动或有流动趋势时,分子间的内聚力会阻碍分子间的相对运动而产生一种内摩擦力,这一特性称作液体的粘性。因此,静止的液体是不呈现粘性的。( )
A.
正确
B.
错误
【单选题】选择合适的答案填入上图的方框1中 A company name B the person’s name C email address D company logo E company address F phone numbers G the person's job title H company website
A.
company name
B.
the person’s name
C.
email address
D.
company logo
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