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A attain F fascinating K fu l fill B pursue G available L qualify C raise H passion M virtually D classify I acquire N fashionable E especially J sample O prosperous University students come from different parts of the country with various purposes. However, a closer look at their reasons for studying at the university will enable us to1)______ them roughly into three groups: those who have a(n)2)_________ for learning, those who wish to 3)_______ a bright future, and those who learn with no definite purpose. Firstly, there are many students who learn simply because they 4)____________ their goal of learning.Some read a wealth of British and American novels because they are keenly interested in literature. Others sit in front of the computer screen, working on a new program,5)__________ day and night, because they find some computer programs 6)_________ , and they dream of becoming a“Bill Gates" one day. Secondly, there are students who work hard mainly for a better and more 7)_________ future It seems that the majority of students fall into this group. After ad m ission to the university,they read books after books to 8)___________ knowledge from all of the resources which are 9)______ to them, and f inally to s ucceed in the future job market . Thirdly there are still some students who learn w i thout clear goal. They take courses, finish homework, enjoy life on campus, but don't want to 10)________ anything new or challenging They have no idea what they will be doing after college. And they may end up with nothing in their lives.
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【简答题】求下列圆柱体的侧面积: (1)底面半径是3厘米,高是4厘米. (2)底面直径是4厘米,高是5厘米. (3)底面周长是12.56厘米,高是4厘米.
【单选题】圆轴扭转时的剪应力与( )有关。
A.
外力偶
B.
外力偶、截面形状和尺寸
C.
外力偶、截面形状和尺寸、材料
D.
外力偶、截面形状和尺寸、材料、圆轴长度
【简答题】求下面各圆柱体的侧面积 (1)底面周长是6分米,高是3.5分米. (2)底面直径是2.5分米,高是4分米. (3)底面半径是3厘米,高是15厘米.
【单选题】外力偶、截面形状和尺寸、材料、圆轴长度
A.
扭矩和极惯性矩都成正比
B.
与扭矩成反比, 与极惯性矩成正比
C.
与扭矩成正比, 与极惯性矩成反比
D.
与扭矩和极惯性矩都成反比
【单选题】圆轴扭转时的切应力与( ) 有关。
A.
外力偶
B.
外力偶、截面形状和尺寸
C.
外力偶、截面形状和尺寸、材料
D.
外力偶、截面形状和尺寸、材料、圆轴长度
【单选题】下列外科感染中,应行接触隔离的是
A.
B.
C.
丹毒
D.
急性蜂窝织炎
E.
急性淋巴管炎
【简答题】求下面各圆柱的侧面积. (1)底面周长和高都是5厘米. (2)底面直径和高都是10厘米. (3)侧面展开为边长15.7分米的正方形. (4)底面半径为2分米,高为5分米.
【单选题】效应器活动使原反射效应减弱的是
A.
反射
B.
反馈
C.
反应
D.
正反馈
E.
负反馈
【单选题】如果过共析钢中存在严重的网状渗碳体,球化退火前应进行_____预先热处理。
A.
正火
B.
扩散退火
C.
完全退火
D.
不完全退火
【单选题】Z7~33.线性电阻与所加( )、流过的电流以及温度无关。
A.
功率
B.
电压
C.
电阻
D.
电动势
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