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Direction : There are 20 blanks in the following passage. For each blank there are four choices marked A, B, C, and D. Choose the one that best fi ts into the passage. College life is one of the most important periods for any individual. It is during this stage that new opportunities _6_ , your body of knowledge is broadened and your futures are _7_ . You should make the best of the chance to try to _8_ the bene fi ts of going to college. In college, sharing differences with students from various backgrounds will be a(n) _9_experience to you, and it can lay the _10_ for greater understanding of different routines, lifestyles, and customs. You will _11_ a chance of making lifelong friends and help each other handle stress _12_ to the change from home to college. Besides, college life will _13_ you to educational experiences — attending different courses and joining student organizations. You can make the _14_ of resources on campus, such as sports facilities, _15_ libraries, and study centers. Taking part in different kinds of educational activities will _16 good effects. What is _17_ important is to plan your future occupation early. Those who have planned it _18_ will enjoy an advantage over others as they may take the _19_ possible time to get used to the job market. _20_ a variety of courses fi rst before deciding on what job you want to _21_ . Take advice from your teachers or friends _22_ you are ready to make the decision. The new experiences and the new people you come across will make your college life more _23_ . Let me take the opportunity to _24_ you of this once more: Campus life is a(n) _25_ experience unlike any other. Therefore, you should take full advantage of it before you get out into the world.
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【简答题】泥包卡钻或缩径卡钻的处理:要尽量开大排量循环,轻提、()、()、(),切不可(),以免卡的更紧。
【多选题】缩径卡钻的处理:
A.
在钻进中遇阻
B.
在起钻中遇阻
C.
下钻遇阻
D.
震击解卡
E.
倒扣、套铣
F.
侧钻
【简答题】缩径卡钻的处理震击解卡:
【简答题】缩径卡钻的处理在起钻中遇阻:
【简答题】处理泥包卡钻或缩径卡钻的操作步骤有哪些?
【单选题】在某一 pH 值下,以 2.0×10 -4 mol·L -1 EDTA 滴定 2.0×10 -4 mol·L -1 金属离子 M ,设其条件稳定常数 lg K ' MY =10.0, 检测终点时的 pM=0.40 ,则 E t 为( ) % 。
A.
0.1
B.
0.2
C.
0.4
D.
-0.2
【判断题】浴井解卡法是处理滤饼粘附卡钻、泥包卡钻和缩径卡钻的简单而有效的解卡方法。
A.
正确
B.
错误
【单选题】下列园林花卉植物中,常不作为一年生花卉栽培的有:( )
A.
金盏菊
B.
孔雀草
C.
万寿菊
D.
菊花
【简答题】叙述泥包卡钻和井径缩小卡钻的处理
【简答题】缩径卡钻的处理方法有哪些?