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Expert：Science Adviser-<>3/21/2011

QUESTION：Dear Marie，
Do you have some good suggestions of biology：plant，animal，human science experiments that would work well with teenagers？Scientific methods must go with the experiments．Thanks!
                                                              Donna
ANSWER：Dear Donna，
Marie is not online and I'll help you instead of him．There are a lot of little things that can be done，but do you mean lab experiment or statistical analysis，etc．？Let us know what can be suitable for you teens，and we will do our best to send you some experiments to do．
                                                           Best，
                                                           Gloria

Expert：Science Adviser-3/23/2011

QUESTION：Dear Gloria，
I need lab experiments．The teenage students and I will use data from these experiments to make charts，graphs，tables，etc．and to provide claims and evidence to explain more about the results．Thank you very much．
                                                            Donna
ANSWER：
Hi there，
Your best and easiest way is to do some chemistry experiments．Those are very easy and most probably you can do it in the lab and have charts，etc．for you．I do not have any particular one at the top of my head because I do cancer research and it is a bit more difficult than research for teenagers．I think you can look through these and see if you find something useful for you．
http://www．siraze．net/chemistry/sezennur/experiments．htm
If not，get back to me and Marie，and we'll look more．The good thing about this site is that it has the procedures that you can follow．
                                                            Good luck，
                                                            Gloria

67．How many Science Advisers are there working for this website___？
A．Only one．     B．At least two．   C．About three．   D．Over five．
68．According to Donna，she and the teenage students need___．
A．experiments in the lab                 B．statistical analysis
C．chemistry experiments                  D．charts and evidence
69．Who is this text for？___
A．Teenagers．     B．Teachers．      C．Parents．    D．Experts．
70．According to Gloria，Donna and the teenage students should___．
A．turn to others for help                 B．do cancer researches
C．look through a website                  D．tell who will be helped．

Answer 1

67．B 细节理解题．根据Expert：Science Adviser-3/23/2011部分的ANSWER的"If not，get back to me and Marie"可知，玛丽和格罗丽亚是科学顾问，所以至少有两个科学顾问为这个网站工作，故选B．
68．A 细节理解题．根据文章第一则QUESTION的"Scientific methods must go with the experiments．科学方法必须与实验相结合"和第二则QUESTION的"I need labexperiments．The teenage studentsand I will use data from these experiments to make charts…我需要实验室实验，十几岁的学生和我将使用这些实验的数据来制作图表…"可知，唐娜和她的青少年学生需要实验室实验，故选A．
69．A 细节理解题．根据Experts>Science>Science/Nature forKids>Science for Kids>Life Science for teens可知，这篇文章是为青少年而写的．故选A．
70．C 细节理解题．根据文章第二则ANSWER的内容特别是"I think you can look through these and see if you find somethinguseful for you．http://www．siraze．net/chemistry/sezennur/experiments．htm"可知，格洛丽亚认为唐娜和学生应该浏览一下网站，故选C．