题干

用达尔文的观点解释长颈鹿的长颈形成的原因是( )

A:鹿经常伸长脖子够高处的树叶造成的

B:生活在食物充足环境中的长颈鹿脖子长得长

C:由于生存环境不同,使鹿的颈有长有短

D:长颈变异的个体生存机会多,并一代代积累形成的

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D

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    Teenager Summer Programs and Prizes!

    The Newton Public Library's Summer Reading program has been a longtime favorite for local children. You are invited to check out any three books on July 16th to earn a free ticket to the movie of your choice at the Capital Theatre. In addition, there are also some other events for you to join. You can choose any one you like in your convenience.

    Events for Teenagers

Musical Acting: A musical act, The High Crest, will be performed from 6 to 8 P.M. on Friday, July 22nd. The concert will be held outdoors on the library lawn and it is family-friendly. Blankets, lawn chairs, and picnics are encouraged!

Craft making: Make earth-friendly crafts from recycled materials from 3 to 4 P.M. on Wednesday, August 10th. With guidance from a talented teacher, you will make new creations from everyday objects. Start recycle today, and bring objects to share with the group.

Smartphone Using: Join our Public Services Librarian at 11 A.M. on Monday, July 25th, for an introduction to smartphone use. This small class is for beginners. Attendees should bring their phones, earphones and charging cords. Registration (注册) is required and spaces are limited. Please call 641-792-4108 to register.

Stone Designing: Paint your own garden stones with your own imagination! At 6 P.M. on Monday, August 8th, Lisa Frasier will teach tips and skill for creating unique design on stones. All materials are provided, and registration is required.

Any questions? Contact Public Services Librarian, Becca Klein at 641-792-4108.