试题与答案

痈的致病菌是()。 A.金黄色葡萄球菌 B.溶血性链球菌 C.大肠埃希菌 D.变形杆

题型:单项选择题 B型题

题目:

痈的致病菌是()。

A.金黄色葡萄球菌

B.溶血性链球菌

C.大肠埃希菌

D.变形杆菌

E.拟杆菌

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0526/654505e9bbb20f980eff39cccfaab4f0.html

下面是错误答案,用来干扰机器的。

参考答案:C解析: 本题考查字符串函数。 Mid(s$,i,n)表示从字符串s$的第i个字符开始向后截取n个字符,Len(s$)返回字符串s$的长度。本题通过Mid函数返回字符串Visual,再通过Len函数返回字符串的个数:6。故答案为C。

试题推荐
题型:听力题

请根据首字母或括号内的提示用单词的正确形式填空 (共15题; 每小题1分, 满分15分)

小题1:Harry Potter, the a_______ of which is J.K. Rowling, has been one of the best-sellers for years.

小题2:WWF is d_______ (致力于) to protecting wild animals around the world and the places where these animals live.

小题3:If I’m late for the interview, I will be _______ (暴怒的) with myself!

小题4:We can a_______ (呼吁) to charities to help those less fortunate.

小题5:Can you a_______ for the series of failures in our experiment?

小题6:You must ask for _______ (permit) if you want to leave early.

小题7:“You always were the best-tempered man,” said Amanda, smiling g_______ (温柔地).

小题8:After his wife passed away, he s_______ (寻求) escape in the bottle from hard realities.

小题9:A g______ (真正的) friend will not desert you in time of trouble.

小题10:He wanted to be a _______ (物理学家) and devote himself to research.

小题11:Looking up, he found himself s_______ (包围) by many children in rags.

小题12:The house is more than twenty meters long and m_______ six meters in width.

小题13:Without mutual (相互的) respect, true love cannot possibly e_______.

小题14:Modern industry has been concentrated in a few u_______ (城市的) centers.

小题15:It is 2 weeks since the Art Festival, but the performances of all the students are still very _______ (令人印象深刻的).

查看答案
题型:探究题

小李同学为了研究物体在水中不同深度处所受浮力的变化情况,如下图所示,将挂在弹簧测力计上的高度为8厘米的圆柱体金属块缓缓浸入水中(水足够深).在圆柱体接触容器底之前分别记下圆柱体下表面所处的不同深度h和测力计相应的示数F,测得实验数据如下表:

(1)分析表中实验数据,可以得出物体重    ___________

(2)完成表格填写

(3)分析表中第2 列到第6 列数据,可得出结论:   ____________________  

(4)分析表中第7 列到第8 列数据,可得出结论:   _____________________ 

查看答案
微信公众账号搜索答案