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问题 单项选择题

混凝土烟囱、筒仓、电视塔的施工较适合采用什么模板？（）

A.组合钢模板

B.大模板

C.爬升模板

D.滑升模板

答案

参考答案：D

解析：由于混凝土烟囱、筒仓、电视塔的截面简单，垂直变化小，易采用滑升模板施工。

完形填空

Teenagers live very busy lives now and often forget to think about their diets and exercise.

48  , the truth is, healthy eating along with regular exercise is the only way to keep fit.

During your teenage years, it is important to give your body the energy it needs. Teenage   49   need about 2, 200 calories a day and boys need a bit more — doctors suggest 2, 800 for teenage boys. 50% of your calories should come   50   rice, bread, vegetables and fruit. You also need to drink a lot of water, 6 to 8 glasses   51  day. Drinking enough water will improve your skin and give you healthy hair.

52   is something that can help to make you look good, feel   53   and be healthy. Experts suggest that teenagers spend at least 30 minutes exercising, five times a week.   54 . you exercise, your body produces something that makes you feel relaxed. It can even help you sleep better at night and let you be   55  attentive when you study!
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问答题 简答题

什么是诏书？
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