问题
多项选择题
使用复合钻具时，应配齐相应数量的（）。
A.闸板防喷器
B.环形防喷器
C.配备相应尺寸的闸板芯子
D.配备相应尺寸的闸板胶芯
E.配备相应尺寸的闸板压块
答案
参考答案：A, C
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使用复合钻具时，应配齐相应数量的（）。
A.闸板防喷器
B.环形防喷器
C.配备相应尺寸的闸板芯子
D.配备相应尺寸的闸板胶芯
E.配备相应尺寸的闸板压块
参考答案：A, C
| 完形填空。 | |||
 On my first job, I worked as a sports editor for a small newspaper. I never got a letter from my readers, so I was __1__ that there was an envelope on my desk one morning. From the __2__ , I could see it was from a most popular newspaper. When I opened it, I found a note and it read, "You did a good job. Go on!" The note was __3__ by Mr John, a famous sports editor. As I was a green hand (新手), his words made me __4__ After that, I kept the note in my desk drawer. Whenever I doubted __5__ I had the ability to be a good editor, I would read John's note and become __5__ again. Later, when I made friends with Mr John, the note writer, I learned that he often wrote notes to __6__ young people in many fields. "When I make __7__ feel happy," he told me, "I feel happy, too." __8__ , why are there few note writers like John in our life? In my __9__ , many people are afraid that they cannot be well understood. Also, writing takes more time and it is __10__ to pick up the phone. The problem with phone calls is that they cannot __11__ a long time, but a note is a good way of record and our words can be read __12__ . So, when you find some people around you need __13__ , please write a note of encouragement to bring them more confidence. Maybe, you are not sure what will __14__ , but remember Mr John's words: making others feel happy makes you happy, too. | |||
| ( ) 1. A. certain ( ) 2. A. calendar ( ) 3. A. signed ( ) 4. A. unhappy ( ) 5. A. why ( ) 6. A. serious ( ) 7. A. expect ( ) 8. A. other ( ) 9. A. But ( ) 10. A. opinion ( ) 11. A. stronger ( ) 12. A. wait ( ) 13. A. once ( ) 14. A. thanks ( ) 15. A. happen | B. sure B. envelope B. picked B. sleepy B. that B. confident B. describe B. the other B. However B. advice B. weaker B. last B. only once B. truth B. matter | C. surprised C. book C. copied C. excited C. what C. strict C. introduce C. others C. Therefore C. idea C. harder C. stop C. more than once C. trouble C. turn | D. frightened D. photo D. practised D. sad D. whether D. humorous D. encourage D. the others D. Actually D. decision D. easier D. rest D. less than once D. help D. hold |
