某校化学小组的同学用如图装置对炭与浓硫酸的反应的产物进行验证，请回答以下问题：

Looking for Teens Interested in Child Care This is a chance for teens to accompany a child through projects and activities, play with them indoors and outdoors, help with arts and crafts, deliver flyers to homes in the neighborhood，and so on. When: We welcome teen volunteers whenever they are available. How often: Our volunteers determine the amount of time they give and their schedule. Where: Wilder Child Development Center, 911 Lafond Ave. St. Paul

Library Intern （实习生） Part-time, Temporary $12.48一$13 .87 /per hour Program: Wilder Research Responsibilities: Help with moving to new buildings, record reports and other documents using a specialized library database, get items from area libraries, help library users, help with literature searches, other everyday library chores, and so on. Qualifications: Bachelor's Degree with some library experience or a current Master of Library and Information Science student. Strong attention to detail, good search skills and customer service skills. How to apply: Send resume to Wilder Research, 1295 Bandna Blvd, or send an e-mail to jobs@wilder.org.

 

Site Responder Part-time, Regular $9.46一$10.52/per hour Program: Jackson St. Village Responsibilities: Work at night to handle emergencies, provide services such as lawn care and snow removal, support the needs of residents and take care of the property and buildings. Qualifications: Must have good communication skills and must be able to solve the problems and concerns of the residents, their visitors, and staff. Individuals or teams are encouraged to apply. How to apply: Send resume to Wilder Foundation, 516 Humboldt Avenue, St.Paul, MN 55107 or a fax to （651） 223-7273, or an e-mail to jobs@wilder.org.

小题1:As a volunteer in the child center, __________

A．you should follow the schedule of the center strictly

B．you must keep the child you look after indoors

C．you will earn some money for what you have done

D．you yourself can decide how long to stay there

小题2:What may NOT be needed if you apply to Wilder Research program?
A college degree and library experience.
B. Having knowledge of the Internet.
C. Being willing to help others
D. Being able to handle emergencies.
小题3:From the third advertisement, we can learn that __________．

A．only individuals can apply for the job

B．applicants should pay close attention to detail

C．applicants are required to do some physical work

D．applicants will deliver flyers homes in the neighborhood.

小题4:The three advertisements _________．

A．are not all for part-time opportunities

B．are not all chances to make some extra money

C．all can be communicated on the Internet

D．are offered by the same organization