__________ to nuclear radiation, even for a short time, may produce variants of genes in human body.

试卷相关题目

• 1 Thousands of athletes______ in many countries will compete _______ medals in the 2008 Olympic Games in Beijing.

  A.involved; in

  B.involving; by

  C.to involve; against

  D.involved; for

  开始考试点击查看答案
• 2Many new houses are said _________ already.

  A.have built

  B.to build

  C.to be built

  D.to have been built

  开始考试点击查看答案
• 3--Is the radio bothering you?---It certainly is.I'd like it _________ off.

  A.turning

  B.turns

  C.to turn

  D.turned

  开始考试点击查看答案
• 4______ in the street, I had my mobile phone stolen yesterday..

  A.Walking

  B.Walked

  C.Walk

  D.To walk

  开始考试点击查看答案
• 5The situation is more _________ than ever. I'm _______about what to do next.

  A.puzzled; puzzled

  B.puzzling; puzzling

  C.puzzling; puzzled

  D.puzzled; puzzling

  开始考试点击查看答案
• 6Elizabeth believed the dog would die if ________ to her cruel owners so she kept it.

  A.returning

  B.was returned

  C.it would return

  D.returned

  开始考试点击查看答案
• 7He said to me with an _________ look on his face.

  A.excite

  B.exciting

  C.excitement

  D.excited

  开始考试点击查看答案
• 8Jane is said _______ an opera singer in her youth.

  A.being

  B.to be

  C.to have been

  D.having been

  开始考试点击查看答案
• 9______ a total of 90 athletes to the games. China shared a seventh place at the medal with Sweden in the Winter Olympics Games in Vancouver.

  A.Sending

  B.Sent

  C.To send

  D.Having sent

  开始考试点击查看答案
• 10______the youth to the rising sun, Mao Zedong paid more attention to the problems that the youth were faced with.

  A.Compared

  B.Comparing

  C.To compare

  D.Being compared

  开始考试点击查看答案