According to the article, what do grapes and blueberries do?
A. They make our teeth and bones grow stronger.
B. They improve our memory and strengthen our hearts.
C. They help blood flow and battle against cancer.
D. They help us breathe better and lessen allergic reactions.
查看答案
What is the text mainly about?
A. The best fruits and vegetables are orange and green.
B. You should count the calories of every meat you eat.
C. Eating vegetables can help you fight diseases and have good eyesight.
D. Everyone should have a balanced diet with all kinds of colorful foods.
选词填空calligraphyesteemtangibleingredientessentialdensityabsorptiveliteratia form ofbe considered as
急救物品的完好率需达到
A. 90%
B. 92%
C. 95%
D. 98%
E. 100%
关于急救物品和药品的使用管理错误的是
A. 定人管理
B. 定点放置
C. 定人使用
D. 定期消毒灭菌
E. 定期检查维修
微信支付 
支付宝支付