Mrs. Morgan is an old woman. She is seventy-four years old. Although she is old, she is very healthy. She also looks young. Why? Because she has a healthy lifestyle.
Mrs. Morgan often exercises. She likes going shopping. She goes shopping three times a week on foot. She thinks walking is good for health. Mrs. Morgan has a dog. Every morning she takes her dog for a walk for half an hour. She often washes clothes and cleans her house, She says, “ I don’t want my daughter to wash my clothes, because she is busy working.”
Mrs. Morgan has a good eating habit. She eats vegetables every day. She eats meat once a week. She drinks milk and eats an egg for breakfast. She eats an apple every day. She often says, “ Eating an apple every day is good for health.”
Sometimes Mrs. Morgan watches TV after dinner. Her favorite is Beijing Opera(京剧). She doesn’t like soap operas(言情剧). She often goes to bed at nine thirty. She sleeps for eight hours every night.
根据短文内容，判断下列句子的正（A）误（B）
小题1:Mrs. Morgan is so old that she can’t go shopping.
小题2:Mrs. Morgan goes out for a walk with her dog in the morning.
小题3:Mrs. Morgan’s daughter always helps her mother wash clothes.
小题4:Mrs. Morgan hardly ever eats vegetables.
小题5:Mrs. Morgan gets up at five thirty in the morning.
口或橡皮管均已略去）完成该实验，若气体流向为从左到右，则正确的连接顺序是：
____________________。
验，反应结束后，测其实验前后的质量，由此得到乙烯产量。
方案II：将E及其后面的装置拆除后，连接图28—2所示装置进行实验，反应结束后，测得乙烯的体积，由此算得乙烯产量。
