单项选择题
A.working in a paper factory. B.working in a youth club. C.looking after his brother and sister. D.looking after his young friends.
A. It has much lower production. B. It has less starch than white rice. C. It is shorter in releasing sugar than white rice. D. It is less available to people in poor countries.
A.People tend to feel exhausted frequently. B.People can’t concentrate on things well. C.People will be unable to store information. D.People will be unable to count numbers.