Scientists study the world and learn about things using a process called the scientific method.By asking important questions and(1)BBthe answers,it is possible to make amazing discoveries!Sometimes a scientist is(2)AAto answer his own questions,but if he has taken good notes,another scientist may come along later who is able to use new knowledge to answer it.
When you use the scientific method to(3)DDan experiment,you start by making observations(觀察) about something that(4)BByou.Based on your observations,you make a hypothesis(假設(shè)).This is using(5)AAyou know to make a smart guess about what you think could happen.Then you are ready to begin your experiment.During your experiment,you take down necessary notes,which are also(6)DDexperiment data (數(shù)據(jù)).You are constantly making observations during this time.You may make discoveries that lead you to improve your experiment as you go.Finally,you conclude(總結(jié))your experiment and begin to look over your(7)AAto decide what they all mean.Based on what you have learned,you make a final statement about(8)AAyour hypothesis was correct or not.You need to have reasons and evidence to support what you are saying.
Using the scientific method can be difficult,but rewarding.Because all the steps are organized in a process,the(9)BBare more valid(可信的).When you provide observations as evidence to support what you are saying,your ideas are more likely to be(10)DD.
(1) | A.waiting for | B.searching for | C.complaining about | D.looking up |
(2) | A.unable | B.ready | C.surprised | D.curious |
(3) | A.prevent | B.read | C.make | D.do |
(4) | A.hurts | B.interests | C.doubts | D.disappoints |
(5) | A.what | B.why | C.where | D.how |
(6) | A.controlled | B.copied | C.carried | D.called |
(7) | A.notes | B.books | C.newspapers | D.thoughts |
(8) | A.whether | B.whatever | C.unless | D.why |
(9) | A.problems | B.results | C.a(chǎn)ims | D.reasons |
(10) | A.refused | B.destroyed | C.protected | D.a(chǎn)ccepted |
【答案】B;A;D;B;A;D;A;A;B;D
【解答】
【點評】
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發(fā)布:2024/5/15 8:0:8組卷:31引用:1難度:0.5
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