21. A love marriage， however， does not necessarily ____ much sharing of interests and responsibilities.

　　A.    take over

　　B.     result in

　　C.    hold on

　　D.    keep to

　　正确答案是

　　22. A man has to make _____ for his old age by putting aside enough money to live on when old.

　　A.    supply

　　B.     assurance

　　C.    provision

　　D.    adjustment

　　正确答案是

　　23. A river _____ through the narrow wooded valley below.

　　A.    extends

　　B.     pours

　　C.    expands

　　D.    twists

　　正确答案是

　　24. A writer has to ____ imagination as well as his experiences for his writing.

　　A.    drawing back from

　　B.     draw in

　　C.    draw up

　　D.    draw on

　　正确答案是

　　25. According to the psychoanalyst Sigmund Freud， wisdom comes from the _____ of maturity.

　　A.    fulfillment

　　B.     achievement

　　C.    establishment

　　D.    accomplishment

　　正确答案是

　　26. After a concert tour in Asia， Canada and the U.S.， he will _____ work on a five-language opera.

　　A.    confine

　　B.     indulge

　　C.    resume

　　D.    undergo

　　正确答案是

　　27. After briefly ____ the history of the author， Prof. Li turned to the novel itself immediately.

　　A.    dipping in

　　B.     dipping at

　　C.    dipping into

　　D.    dipping to

　　正确答案是

　　28.After negotiation， the two countries ____ the terms of peace.

　　A.    agreed with

　　B.     agreed in

　　C.    agreed to

　　D.    agreed on

　　正确答案是

　　29. After performing a successful operation， the doctor at last pulled the patient ____.

　　A.    back

　　B.     in

　　C. up

　　D.    through

　　正确答案是

　　30. After reading these books， he was _____ to the Darwinian theory of evolution.

　　A.    changed

　　B.     converted

　　C.    transferred

　　D.    adjusted

　　正确答案是