直梯使用时登上最上方两阶;A字梯使用时登上最高一阶的行为是否正确?为什么?
参考答案:不正确。作业时站立不稳,人员发生意外,会导致受伤。
Many children love junk food. It's bad for their health. Their parents don't want them to eat too much junk food. Although they know it's not a good habit, they still eat it. Some of them eat this kind of food every day. Some only once or twice a week.
Paul is kind of unhealthy. He hardly ever exercises. He eats lots of junk food because he loves it. When he has money, he'll buy junk food. His parents worry about him. But he says.“Maybe I'm not very healthy, but I enjoy myself.”
根据短文内容判断正误,正确的填“T”,错误的填“F”
小题1:Few children love junk food.
小题2:Many parents want their children to eat junk food.
小题3:Children know it's bad habit to eat junk food.
小题4:Paul is very healthy.
小题5:Paul often borrows money to buy junk food.
血分病证主要涉及的脏腑是
A.肝、脾、肾
B.心、肝、肾
C.心、肝、脾
D.心、脾、肾