皮皮学,免费搜题
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[A] This 1000-wat electric kettle rapidly boils up to 1 quart of water for coffee, tea and more. It provides a rapid and quiet heating process, making it ideal for the office, home or students’ bedroom, and unit’s easy-open lid is designed with a security lock to prevent spilling. The kettle automatically shuts off when the water boils. [B] This 12-inch everyday pan is made of aluminum, allowing for quick heat giving. The stainless-steel handles are comfortable to grasp, plus they decrease heat moving so handles stay cool on the stovetop. The included lid is ideal for moist-heat cooking. It cooks fast and is easy to clean and can cook everything with little oil or no oil. [C] This lightweight carpet cleaner comes with a display of convenient features. It gets under furniture and in hard-to-reach areas, and it is removable for easy clean-up. It provides heavy-duty cleaning for the worst type dirt, like high-traffic areas and pet stains, and dirty water and clean water always remain separate. It is ideal for carpeted stairs. [D] This electric pressure washer is an ideal choice for home and auto cleaning projects. It features and an instant stop or start function. It also includes an adjustable pressure nozzle(喷嘴), so you can adjust pressure from 100 PSI to 1300 PSI, and owns effective cleaning power. [E] This solar spotlight turns on automatically at dark and off at dawn. Show off garden accessories like fountains or light a path through your yard with a solar light that needs neither electricity nor maintenance. Solar lighting saves money and energy by gathering power from the sun. [F] Keep the air in the home, office, or workplace circulating with this high-performance fan. It features a design for fast, focused cooling and effective air circulation. It also comes equipped with a three-speed motor and a specially-designed blade, which provides different power. Thoughtfully designed, the fan can also be wall mounted to help save floor space. 阅读以下消费者的信息,然后匹配他们拟要购买的电器。 小题1:Terminal examination is coming near and it is getting hotter and hotter. Michael studies hard at his desk, often wet through with sweat. Now what he is most longing for is some kind of instrument that can cool himself while he is doing his lessons at the desk so he can have a better learning result. 小题2:It is only a few days before Christmas Day. Jacky and his family are to give their house a thorough cleaning. As his father has some trouble with his health, Jacky volunteers to undertake the task of cleaning the ceiling and walls. In order to do a better job, he is eager to find an ideal instrument to match his aim. 小题3:For the purpose of being admitted by a key university, Harry has been burying himself in lessons and often studies until late into the night so that he often feels tired out and sleepy. “Why not refresh myself with a cup of coffee now and then?” He thinks and then he comes up with an idea…. 小题4:Simon has decided to go hiking with his classmates for a holiday and hopes to have a picnic by cooking in the open air to add pleasure and fun to their trip. Now he is given the task that he should get an instrument with which they can cook delicious dishes. 小题5:Peter’s mother is a cleaner whose job is to get clean kinds of floors, including carpets of many buildings. The boring work—especially the stair carpet cleaning—often makes her mother worn out. So Rachel is anxious to buy her an easy-to-use machine to take the place of her mother’s heavy work.
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【判断题】访问因特网时,要保存网页中的一幅图片,一般可以在图片上单击右键,选择 “图片另存为 ” 就可以保存图片了。( )
A.
正确
B.
错误
【单选题】下列各项与自然选择无关的是 ( )
A.
长颈鹿长颈的形成
B.
雷鸟的体色与周围环境色彩非常相似
C.
鱼的背部是深色、腹部是白色
D.
一窝小猫的体色有黑、白和黄色
【单选题】已知'A'的ASCII码的十进制值为65,'0'的ASCII码的十进制值为48,则以下程序运行结果是( ) main( ) { char ch1,ch2; ch1='A'+'5'-'3'; ch2='A'+'6'-'3'; printf("%d,%c\n",ch1,ch2); }
A.
67,D
B.
C,D
C.
C,68
D.
67,68
【简答题】有一组数据8、9、9、8、10、10、8、9、10、11、8、8,这组数据的众数是______,中位数是______,平均数是______.
【判断题】女性青春期的主要特征之一是形态发育。
A.
正确
B.
错误
【单选题】商业秘密的两大特征是:
A.
新颖性和保密性
B.
商业性和秘密性
C.
创造性和专有性
D.
实用性和专有性
【简答题】2019级3班4班《高级语言程序设计实践》第二期开学热身题.docx
【简答题】若有定义:int x=8; float y=130;char z='A'; 则表达式x+z%(int)y的值是( )。[已知'A'的ASCII码的十进制值为65]A. 运行时产生错误信息 B. 8 C. 73 D. 8.5
【多选题】色彩选择是非常有( )、( )、( )一项工作。
A.
意义
B.
责任
C.
无聊
D.
功能性
【多选题】色彩选择是非常有()、有()、有()一项工作
A.
意义
B.
责任
C.
目的性
D.
功能性
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