(2014·安徽蚌埠第一次教学质量检查)Finding information in today’s world is easy.The ________is how you can tell if the information you get is useful or not.

A．knowledge 　B．ability

C．competition　D．challenge

(2013·山东卷)There is no simple answer，________is often the case in science.

A．as 　B．that

C．when 　D．where

(2014·北京市东城区第一学期期末)The man answered the phone in a loud voice at the meeting，________made Andy annoyed.

A．that　B．what

C．who　D．which

(2014·河北高三教学质量监测)While working outdoors，Linda was________by the heat and fell to the ground，unconscious.

A．astonished　B．depressed

C．overcome　D．hit

(2014·山东省蒙沂六校联考)Provide your doctor with a detailed medical history________he can give you accurate treatment.

A．even if 　B．in case

C．so that 　D．as though

(2011·浙江卷)I’ve been writing this report________for the last two weeks，but it has to be handed in tomorrow.

A．finally　B．immediately

C．occasionally　D．certainly

(2014·四川省南充市第一次适应性考试)With proper measures，the economy in China is beginning to ________again.

A．break up　B．pick up

C．put up　D．take up

(2014·宝鸡三检)By the time the girl comes back to life，scientists probably________a cure for this incurable disease.

A．will have discovered　B．are discovering

C．will be discovering　D．have discovered

Mary felt________from the outside world，since she lacked an Internet connection and couldn’t receive any e?mail.

A．cut down　B．cut in

C．cut off　D．cut out

(2013·江苏三校4月阶段考试)The plan put forward at the meeting is________perfect；there’s still much room to improve.

A．close to　B．next to

C．far from　D．out of