The idea of fish being able to produce electricity strong enough to light a lamp is almost unbelievable, _____ several kinds of fish are really able to do this.

　　A.therefore 　　   B.and 　　　　    C.then 　　　　   D.but

.He simply repeated this year's work. He's the sort of boy who _____ to anyone whatever failures he'a had in whatever he does.

　　A.doesn't mention 　　　　　　 B.hadn't mentioned

　　C.didn't mention 　　　　　　 D.hasn't mentioned

---Those shoes won't_____for mountain-climbing.

　　---_____this pair be OK?

　　A.help;Shall 　　  B.work; May 　　 C.do;Will 　　      D.get;Would

---What do you think about____ dress in theshop window?

--- Oh, it's beautiful. She will bepleased if she can have it as____ birthdaypresent.]

A.a;a 　　　　     B.a; the 　　　     C.the; a 　　　     D.the; the

A new policy formulated, _____.

    A. thus did the economic reform begin

    B. thus began the economic reform

    C. thus had the new economic reform began

    D. began the economic reform thus

She asked if any of the passengers knew _____ about machines or at least how to drive a car.

    A. anything  B. something     C. nothing   D. all

The manager discussed the plan that they would like to see _____ the next year.

    A. carry out B. carrying out  C. to carry out  D.carried out

The price was _____ within the reach of the average household.

    A. fairly  B. all C.well   D. very

The 1930s were the year when he wrote one _____ after another, and when his first

    collection of _____ was published.

    A.poem, poetry B. poetry, poem C. poem, poem D. poetry, poetry   

The hotel is very comfortable, because it has successfully ______ the old and the new styles.    A. combined   B. joined    C. connected   D. related