问题
单项选择题
精神发育迟滞患者伴有精神病性症状的有（）
A.10%～20%
B.21%～40%
C.41%-60%
D.61%～70%
E.71%～80%
答案
参考答案：C
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精神发育迟滞患者伴有精神病性症状的有（）
A.10%～20%
B.21%～40%
C.41%-60%
D.61%～70%
E.71%～80%
参考答案：C
| 根据短文内容，填写下列表格。 | |||||||
| You used to get free (免费) plastic bags when you shopped at the supermarkets, didn't you? But things have changed now. From June 1st this year, China has stopped its shops and supermarkets providing free plastic bags. Shoppers have to pay for bags if they need them. "We hope this ban (禁令) will encourage people to return to using cloth bags, or using baskets for their vegetables," said a notice from the Chinese government." Plastic bags have led to a big waste of energy and do harm(伤害) to our environment." The Chinese use about 3 billion plastic bags a day. Each year we use 5 million tons of oil to make the bags. The bags end up in landfills( 垃圾) or we have to burn them. Either way, they pollute the air, rivers and soil. It takes around 1, 000 years for the bags to break down. They are also dangerous to wildlife, which eats them without knowing. Now a large number of Chinese people have begun to make their own cloth bags, and use them when they go shopping. Do you have one? | |||||||
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