关于塑性铰，下面叙述正确的是( )。

Which of the following statement is NOT true according to the passage？

A．Anxiety is supposed to be avoided.

B．What leads to anxiety can be ambiguous.

C．Anxiety disorder has a negative impact.

D．Anxiety is one of the health-care issues.

Which of the following statement is NOT true according to the passage？

A．Anxiety is supposed to he avoided.

B．What leads to anxiety can he ambiguous.

C．Anxiety disorder has a negative impact.

D．Anxiety is one of the health-care issues.

Which statement is NOT true according to the authors？

A．There are now more age-related diseases.

B．Health care costs are on the rise.

C．A systematic attack on aging is needed.

D．Too little has been done to extend life.

According to the passage, which of the following statement is TRUE？

A．You should be prepared to make mistakes in communication.

B．Words are the basis of English learning.

C．Good pronunciation is important to an English learner.

D．Wanting to know everything does not help you in learning a language.

Which statement is true according to the passage？

A．Mastectomy used to be considered the only safe course.

B．The chances of survival after a mastectomy are greater than after lumpectomy.

C．Mastectomy can decrease the patients' chances of a care.

D．Most women prefer lumpectomy.

Which statement is true according to the passage？

A．Mastectomy used to be considered the only safe course.

B．The chances of survival after a mastectomy are greater than after lumpectomy.

C．Mastectomy can decrease the patients' chances of a care.

D．Most women prefer lumpectomy.

According to the passage, which of the following statement about knitting is Not true？

A．Knitting is a profit-making business.

B．Knitting helps one get free from a bad mood.

C．Knitting requires patience.

D．Knitting helps one get rid of bad habit.

According to the passage, which of the following statement is true？ __________.

A． People can know happiness at any age.

B． A happy person lives a successful life.

C． Enjoying what you have can make you happy.

D． Parents want to pursue the study of happiness.

According to the passage, which of the following statement is true？

A．A change in the educational system will eliminate the need to cheat.

B．The problem of student cheating has its roots in deeper problems.

C．Students do not cheat on essay tests.

D．Punishment is an effective method of stopping cheating.

Which statement is NOT true according to this article？

A．Energy will be expensive and in short supply.

B．There will be more cars than ever in 1997.

C．The air will be cleaner in 1997.

D．People will walk everywhere instead of going by cars.