Karl Marx first developed _____ political theory known as ____ communism （共产主义）.

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

_____ in the climate and soil depends in a way on the experiment _____ carried out by the experts.

A．That grows best; has been                     B．What grows best; being

C．How it grows best; is to be                   D．What it grows best; was

He is always helping people without expecting anything _____.

A．in need              B．in turn            C．in fact            D．in return

—How about the book you are reading now?

—Excellent indeed. You can find many problems we have come across _____ in it.

A．covered            B．covering           C．are referred           D．referred

—Did Alice win the 100-meter race?

—No. She did _____ I.

A．no better than                            B．no worse than

C．so well as                          D．as well as

On my father's birthday, I gave him a special present, ____ I had spent my own money buying for the first time.

A．it         B．the one          C．that          D．one

—Does you brother serve in the army? 

—No, not now, but he ___ in the army for 8 years.

A．has served         B．served           C．is serving           D．had served

In Disneyland, every year, some 800000 plants are replaced because Disney refused to _____ signs asking his “guests” not to step on them.

A．break up             B．call up             C．put up            D．build up

— Why do you drink so much tea?

— Well, ____ it doesn’t keep me awake in the nights.

A．although            B．as long as           C．as soon as           D．while

He was educated at a local grammar school, _____ he went on to Cambridge.

A．from which           B．after that           C．after which           D．from this