According to the passage, the chief purpose of explorers in going to unknown places in the past was ________.

试卷相关题目

• 1About the future of the arts of reading the author feels ________.

  A.upset

  B.uncertain

  C.alarmed

  D.pessimistic

  开始考试点击查看答案
• 2The author claims that the best way a reader can show admiration for a piece of poetry or prose is ________.

  A.to be able to appreciate it and memorize it

  B.to analyze its essential features

  C.to think it over conscientiously

  D.to make a fair appraisal of its artistic value

  开始考试点击查看答案
• 3A major problem with most adolescents who can read is ________.

  A.their fondness of music and TV programs

  B.their ignorance of various forms of art and literature

  C.their lack of attentiveness and basic understanding

  D.their inability to focus on conflicting input

  开始考试点击查看答案
• 4The author’s biggest concern is ________.

  A.elementary school children’s disinterest in reading classics

  B.the surprisingly low rate of literacy in the U.S.

  C.the musical setting American readers require for reading

  D.the reading ability and reading behavior of the middle class

  开始考试点击查看答案
• 5The picture of the reading ability of the American people, drawn by the author, is ________.

  A.rather bleak

  B.fairly bright

  C.very impressive

  D.quite encouraging

  开始考试点击查看答案
• 6At present, a probable inducement for countries to initiate large-scale space ventures is ________.

  A.international cooperation

  B.scientific research

  C.nationalistic reasons

  D.long-term pro fits

  开始考试点击查看答案
• 7What is the main goal of sending human missions to Mars、

  A.To find out if life ever existed there.

  B.To see if humans could survive there.

  C.To prove the feasibility of large-scale space ventures.

  D.To show the leading role of science in space exploration.

  开始考试点击查看答案
• 8By saying “With Mars the scientific stakes are arguably higher than they have ever been” (Line 1, Par

  A.4), the author means that ________.A.with Mars the risks involved are much greater than any previous space ventures

  B.in the case of Mars, the rewards of scientific exploration can be very high

  C.in the case of Mars, much more research funds are needed than ever before

  D.with Mars, scientists argue, the fundamental interests of science are at issue

  开始考试点击查看答案
• 9The passage tells us that proof of life on Mars would ________.

  A.make clear the complex chemistry in the development of life

  B.confirm the suggestion that bacterial fossils traveled to Earth on a meteorite

  C.reveal the kind of conditions under which life originates

  D.provide an explanation why life is common in the universe

  开始考试点击查看答案
• 10If you want this painkiller, you’ll have to ask the doctor for a ________.

  A.transaction

  B.permit

  C.settlement

  D.prescription

  开始考试点击查看答案