皮皮学,免费搜题
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【简答题】
Exercise 1: Put the following words and phrases in the blanks. (用下列单词填空) After that, when, already, then, afternoon, morning, after Sunday was a busy day. I had to get up at 5: 00 a. m. to attend the class activity of watching the sunrise at the mountaintop. 1) I hurried to catch the bus to the other side of the city to tutor my new student. That took me the whole 2) . In the 3) , I went to the city library and checked out a couple of books on business management. 4) , I visited my grandmother, stayed there for dinner and watched the news on TV. 5) , I rode on the bus with my family for a special lantern festival in the Seaside Park. We enjoyed the colorful and exciting festival so much that we missed the last bus, and 6) , we finally returned home by taxi, it was 7) past midnight. I was exhausted 8) twenty hours of activities.
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【简答题】化能无机营养型微生物的能源是__________,氢供体是__________,基本碳源是__________,这类微生物的代表如__________、__________、__________、__________和__________等。
【单选题】地球上自由静止的水面称为()
A.
水平面
B.
水准面
C.
大地水准面
D.
地球椭球面
【单选题】These is a new type of advertisement becoming increasingly common in newspaper classified columns. It is sometimes placed among 'situations vacant', although it doesn't offer anyone job, and sometimes...
A.
informs job hunters of the opportunities available
B.
premises useful advice to those looking for employment
C.
divides available jobs into various types
D.
informs employer that people are available for work
【判断题】地球上自由静止的水面称为大地水准面。( )
A.
正确
B.
错误
【判断题】地球上自由静止的水面称为大地水准面。
A.
正确
B.
错误
【单选题】London is becoming a serious______to New York as the world's banking and financial services center.
A.
city
B.
rival
C.
employer
D.
opposition
【单选题】There is a new type of advertisement becoming increasingly common in newspaper classified columns. It is sometimes placed among 'situations vacant', although it doesn't offer anyone job, and sometimes...
A.
informs job hunters of the opportunities available
B.
promises useful advice to those looking for employment
C.
divides available jobs into various types
D.
informs employer that people are available for work
【单选题】图示三杆结构,欲使杆3的内力减小,应该( )【图片】
A.
增大杆 3 的横截面积
B.
减小杆 3 的横截面积
C.
减小杆 1 的横截面积
D.
减小杆 2 的横截面积
【单选题】图示三杆结构,欲使杆3的内力减小,应该 。【图片】
A.
( A )增大杆 3 的横截面积;
B.
( B )减小杆 3 的横截面积;
C.
( C )减小杆 1 的横截面积;
D.
( D )减小杆 2 的横截面积。
【单选题】图示三杆结构,欲使杆3 的内力减小,应该( )。【图片】
A.
减小杆3 的横截面积
B.
增大杆3 的横截面积
C.
减小杆1 的横截面积
D.
减小杆2 的横截面积
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