These children are quick ________ learning, and we’ll have them trained in new m

Health problems are closely connected with bad eating habits and a______of exerc

The college sports meet was __ till next week because of the heavy rain.A、 put o

Even after the speech was over, the audience ______ leave because they were so d

设AmxnBx1=0mx1,证明R(A)+R(B)≤n.

I’d like to come with you but that’s not a promise, don’t ________ it.A、 count o

Lord Jim_____a private school five years ago with the money he earned through ha

—Glad to meet you. —____________A、 So do I.B、 How are you?C、 How do you do?D、 Th

It is generally considered unwise to give a child___________ he or she wants.A、

He began to feel hungry since the previous evening.A、 not having eatenB、 not hav

Since they aren’t answering my telephone, they ________.A、 should have leftB、 ne

He__________ he would be able to leave tomorrow, but it’s beginning to look diff

I lost my way in complete darkness and, matters worse, it began to rain.A、 madeB

This heavy traffic is ________ for this time of the day.A、 actualB、 naturalC、 fo

Many children,_______parents are away working in big cities, are taken good care

Every means ________ tried, but we still cannot solve this problem.A、 isB、 have

She had golden hair when she was a child, but_________ she got older and older,

The flight was supposed to take off at ten o’clock, but ________ we had to wait

This magazine is very ______with young people, who like its content and style.A、

—You don’t seem to be quite yourself today. What’s wrong? —Oh, I’m suffering fro

The big IT company will ______ a new research center in the city.A、 set upB、 bre

Our new sales manager found out that ______ the job done is not as easy as it fi

已知A=(1 2 -2 3, -2 -4 4 -6,2 8 -2 0,-1 0 3 -6)则R(A)=()A.1 B.2 C.3 D.4

—I put him down for a well-educated man. —___________ ? —I mean that he’s a well

_________ time and labor, cartoonists generally draw the hands of their characte