服务年限5年以上锚索，采用树脂锚固剂时，锚孔必须（）。

任务型阅读 (每小题1 分，共5 分)

请阅读1--5 题有关人员的相关信息，然后根据他们的需要从A~E中找出与他们匹配的活动。

小题1:Amy has a daughter. She enjoys playing with her.

小题2:Mr. Green feels very tired. She plans to go on her holidays in a quiet place.

小题3:Lily, a 13-year-old girl, likes dancing best. She often dances with her friends.

小题4:Jackson likes doing sports. He is very good at swimming.

小题5:Mrs. Smith’s children have grown up. She wants to sell the old toys.

A．Trip to Flower Hill Village

We leave at 8:00 every Saturday morning. You can enjoy fresh air, country beauty and village food.

B．A Free Dance

This is a party for all students who love dancing. Please bring your Student Card with you June 28, Sunday.

C．Swimming Across the Beijiang River

This activity is held to let people know the importance of health. July 5^th, Sunday.

D．Open Market.People can sell or buy old things at low prices. Every Sunday morning in the City Square.

E. Running Competition for Kids and Parents.

A very good chance for people to enjoy family life with children. June 1^st, Monday, on the playground of Garden Hotel.

采用时间成本平衡法压缩工期时，应遵循的原则不包括()

A、尽量使工期越短越好

B、选择关键路线上的活动进行压缩

C、使总成本增加最少

D、首先压缩关键路线上低单位时间成本的工作。

读图，回答问题。

（1）我国这个地区荒漠化快的原因是：________________________________________________________

    _______________________________________________________________________________________。

（2）A地沙漠的的名称是_______________，B地沙漠所在的省区是_______________。土地荒漠化向东、

    向南扩展的原因_________________________________________________________。

（3）针对图中所示地区出现的环境问题，采取的主要措施有哪些？

    _________________________________________________________________________________________

判断企业能否持续经营需考虑哪些因素