试题与答案

某个电脑用户计划使用不超过1 000元的资金购买单价分别为80元、90元的单片软

题型:解答题

题目:

某个电脑用户计划使用不超过1 000元的资金购买单价分别为80元、90元的单片软件和盒装磁盘.根据需要,软件至少买3片,磁盘至少买4盒,写出满足上述所有不等关系的不等式.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0511/d9e1e2222d3b844422f6814052f3f005.html

下面是错误答案,用来干扰机器的。

B……

试题推荐
题型:阅读理解

1. Mrs. Li wants to send her daughter to take some piano lessons during the coming summer holiday.
2. Betty and her boyfriend want to spend the weekend to watch something new. They both like dancing.
3. Darning wants to buy some newspaper to read so that he can improve his English.
4. Mr. Black wants to come to Beijing for the first time in August. He wants to enjoy the real Beijing Opera very much.
5. Tony and his colleagues will have a trip in Guangzhou next week. They need to rent a car and a driver who understands English.
A. Watch Your Neck: This modern ballet is telling the story of “Dracula” which is the classic novel by Irish playwright Bram Stoker. Time: 8:30 pm, February 2-9 Tel:98558588
B. Children’s Activity Center
Tel: 66589982
Add: No. 2 Zhongshan Road (Singing lessons, piano lessons and dancing lessons.)
C. Art Show: A total of 10 artists living close to each other are jointly giving an art exhibition.
D. Peking Opera: Mei Lanfang’s brave fighting against the Japanese during the war of Resistance against Japanese will open your mind.
E. Foreign Book Center: More and more increasing learning English books and newspapers, CDs. ect.
F. The Changcheng hotel: Five star hotel. Looking for much experienced receptionists. Tel: (010)55883326
G. Car-Hire Service: 12 seat Forit transit van for hire in Zhujing Business and Private Hire. We have English-speaking drivers.
查看答案
题型:实验题

(8分)近年来,我国部分地区地震造成一定伤亡及财产损失。某次地震后,王某在废墟中被发现,一根木梁压在他的腰部,动弹不得,下肢有创伤,头部、面部未见明娃外伤,神志清醒。救援人员搬走他身上的木梁,然后对其进行诊断、救治和护理。请结合图示回答问题:

(l)医生用棉棒刺激王某的足底皮肤,王某的足立即缩回,说明他的脊髓反射功能正常,根据图一所示,写出缩足反射的途径                            (用数字和箭头表示)。

(2)医生在检查其脑部是否受伤时,要求其在闭眼状态下用食指触摸自己的鼻尖,他始终不能准确触摸,由此判断受伤部位是       

(3)医生给他静脉注射5%的葡萄糖溶液和复万氯化钠溶液,这些液体最先流人心脏的    。注射5%的葡萄糖溶液后,王某的血糖浓度出现如图二所示的变化,那么BC段变化的原因是                      ,调节葡萄糖的吸收、利用和转化等。

(4)王某下肢创伤处有暗红色血液连续不断地流出,由此判断出血的血管是        ,可以采用止血带止血法或指雎止血法在      (用“远心端”或“近心端”填空)止血。

(5)当医生对其进行心理疏导谈及地震情景时,王某表现出恐惧、四肢颤抖和语无伦次等紧张现象,这种反射类型是                ,参与该反射的神经中枢位于             

查看答案
微信公众账号搜索答案