某服装厂生产一批男衬衫,经过抽样调查60名中年男子,得知所需衬衫型号的人数如下表

题型:选择题

问题:

某服装厂生产一批男衬衫,经过抽样调查60名中年男子,得知所需衬衫型号的人数如下表所示.求出它的中位数是74,众数是76,平均数是74.4,下列说法正确的是(   )

型号(单位:cm)7072747678
人数3820272

A.所需78号人数太少,78号的可以不生产

B.这批衬衫可以一律按身长是74.4这个平均数生产

C.因为众数是76,故76号的生产量要占第一位

D.因为中位数是74,故74号的生产量要占第一位

考点:平均数中位数和众数
题型:选择题

词汇应用

Brian was not good at public speaking. One day, he   1  (invite) to make a speech at a church. His  2  (young) sister, Ann knew he was nervous and tried to calm him down. "Don't worry. Everything  3  (be) fine. " When the day came, Brian's car had an accident on the way to the church. Luckily, he was not  4  (bad) hurt and arrived at the church on time. It was  5 (he) turn. When he stood up, hit coat became tangled with his chair. After a few 6  (minute), he finally began his speech. but he was so nervous that he dropped his book. Many people thought he would run, but he went on.

Suddenly, people saw something   7  (usual)   8  (run) down from his nose, blood! He stopped _9_ (speak) when he saw the blood. But he still tried to finish his still tired to finish his speech. Then Ann quietly moved to the front and handed him her handkerchief. Then she gave him a smile and   10  (return) to her seat,

It was a   11  (real) simple gesture, and might be the   12  (simple). She just saw someone in need, and gave him a hand. In the end, Brian finished his talk, with more confidence.

小题1:______ ___ 小题2:__________ 小题3: _________ 小题4:______ __小题5:_____ 小题6: ______小题7: ________小题8:________小题9: ___________ 小题10: __________ 小题11: _________ 小题12:___________

题型:选择题

()和()之间的交互作用是本书的主题。

A、人们的生活环境,人们的经济基础

B、人们的哲学,人们生活的环境

C、人们的经济基础,人们的哲学

题型:选择题

蛛网膜下腔出血最可靠的诊断依据()

A.头痛、呕吐

B.脑膜刺激征

C.腰椎穿刺时发现均匀一致的血性脑脊液

D.一侧动跟神经麻痹

E.偏瘫

题型:选择题

人力资源费用预算的原则不包括()。

A.合法合理原则

B.客观准确原则

C.严肃认真原则

D.勤俭节约原则

题型:选择题

手势是肢体语言之一,在用手指表达数字时,欧美人伸出大拇指表示()

A.OK

B.可以

C.1

D.5

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