问题
填空题
文献的检索效率表示检索在进行情报检索时的有效程度，即指检索系统所具备的查全能力和（）能力。
答案
参考答案：查准
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文献的检索效率表示检索在进行情报检索时的有效程度，即指检索系统所具备的查全能力和（）能力。
参考答案：查准
| 完形填空。 | ||
| The Diffos like l hats. They have 2 hats. Mr. Diffo wears hats 3 his fingers. The Diffos 4 breakfast. They like sandwiches 5 breakfast. Their dog 6 sandwiches, 7 . They like fish 8 ice cream. They like to fly 9 Mrs. Diffo likes to 10 songs. | ||
| ( ) 1. A. wear ( ) 2. A. any ( ) 3. A. on ( ) 4. A. loves ( ) 5. A. in ( ) 6. A. likes ( ) 7. A. two ( ) 8. A. but ( ) 9. A. akites ( ) 10. A. singing | B. to wear B. much B. in B. love B. for B. like B. too B. or B. kites B. sings | C. wears C. many C. at C. love to C. on C. like to C. either C. and C. kite C. sing |