解题说明：本大题要求判断所给出的条件能否充分支持题干中陈述_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题填空题

解题说明：
本大题要求判断所给出的条件能否充分支持题干中陈述的结论。阅读条件(1)和(2)后选择。
A．条件(1)充分，但条件(2)不充分。
B．条件(2)充分，但条件(1)不充分。
C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分。
D．条件(1)充分，条件(2)也充分。
E．条件(1)和(2)单独都不充分，条件(1)和条件(2)联合起来也不充分。

答案

参考答案：D

解析：

[分析]：由条件(1)，把x＝-1代入方程3x²+px-5＝0
得 3-p-5＝0，p＝-2，条件(1)充分。

完形填空

Even though it was only October，my students were already whispering about Christmas plans. With each passing day everyone became more_36__ waiting for the final school bell. Upon its__37__ everyone would run for their coats and go home，everyone except David.
David was a small boy in ragged clothes. I had often__38__ what kind of home life David had，and what kind of mother could send her son to school dressed so__39__for the cold winter months without a coat，boots，or gloves. But something made David__40__.I can still remember he was always__41__a smile and willing to help. He always__42__ after school to straighten chairs and mop the floor. We never talked much. He__43__ just simply smile and ask what else he could do，then thank me for letting him stay and slowly__44__ home.
Weeks passed and the__45__ over the coming Christmas grew into restlessness until the last day of__46__ before the holiday break. I smiled in__47__ as the last of them hurried out of the door. Turning around I saw David__48__ standing by my desk.
“I have something for you，”he said and__49__ from behind his back a small box.__50__ it to me，he said anxiously，“Open it.” I took the box from him，thanked him and slowly unwrapped it. I lifted the lid and to my__51__ I saw nothing. I looked at David’s smiling face and back into the box and said，“The box is nice，David，but it’s__52__.”
“Oh，no. It isn’t.” said David. “It’s full of love. My mum told me before she died that love was something you couldn’t see or touch unless you know it’s there.”
Tears filled my eyes___53__I looked at the proud dirty face that I had rarely given__54__ to. After that Christmas，David and I became good friends and I never forgot the meaning__55__the little empty box set on my desk.

C．inaccurately

D．inappropriately

B．expectation

C．appreciation

多项选择题

关于筛选，叙述正确的是（）。

A、自动筛选可以同时显示数据清单和筛选结果

B、高级筛选可以进行更复杂的筛选

C、高级筛选不需要建立条件区，只有数据清单就可以了

D、高级筛选可以将筛选结果放在指定的区域