问题 判断题

“春蚕到死丝方尽”是古人的误解。其实,蚕吐尽丝时并没有死亡,只是发育成不吃不动的卵。   ( )

答案

题目分析:家蚕的发育过程包括受精卵、幼虫、蛹和成虫,为完全变态发育,由卵孵化成幼虫后,取食桑叶,每隔5、6天就蜕一次皮,经过4次蜕皮后,停止取食,吐丝,将身体围绕起来结茧化蛹,蛹在茧内不吃不动,经过十多天羽化成蛾,故题干的叙述是错误的。

单项选择题
阅读理解

                            B

If a person forgets names, places or facts —and has trouble with everyday things like reading or shopping —it may not mean you are getting old. It could be Alzheimer’s disease. So it’s important to see a doctor as soon as you can.

There is no cure for Alzheimer’s. But a drug called ARICEPT has been used by millions of people to help their symptoms (症状).

In studies, ARICEPT has been proved to work for Alzheimer’s. It has helped people improve their memory over time. It has also helped them to keep doing everyday things on their own.

Ask your doctor if ARICEPT is right for you or your loved one. It is the Number One drug for Alzheimer’s in the world. The sooner you know it’s Alzheimer’s, the better ARICEPT can help.

ARICEPT is good for many but may not be good for everyone. Some people may experience not sleeping well, feeling very tired, or not wanting to eat . In studies, these side effects weren’t serious at all and went away over time. Some people taking ARICEPT may feel light-headed. In this case you should tell your doctors because your condition may get worse.

小题1:If one suffers from Alzheimer’s,          .

A.he has trouble with his memory

B.he can’t do everyday things on his own

C.he often forgets things because he is old

D.he can’t move about小题2:What is ARICEPT?

A.A medicine to cure Alzheimer’s

B.A medicine to delay signs of aging .

C.A medicine to reduce the symptoms of Alzheimer’s .

D.A medicine to cure brain damage .小题3:One who is taking ARICEPT should go to see a doctor if he        .

A.can’t fall asleep

B.feels tired out

C.has no desire to eat

D.feels like a drunken man