科目: 來源:模擬題 題型:閱讀理解
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科目: 來源:山東省期末題 題型:完形填空
完形填空。 |
What is a clone? A clone is a copy-a genetic (基因的) copy. Genes (基因) are the in-structions for life. They 1 a cell what to do and how to do it. Genes make 2 plant or animal different and unique. A clone has the same genes 3 the original organism (生物體). Cloning is not new. 4 have been cloned for centuries. Many new plants are grown from cuttings (插枝) from the original plants. One benefit of cloning is that we can make many copies of the best and healthiest plants. It's 5 more difficult to clone animals than plants. In 1997 scientists succeeded in 6 a sheep. The creation of Dolly, the Cloned sheep, caused great attention around the world in no time. Scientists had tried to clone other animals like frogs before that, but they failed Frogs died as tadpoles (蝌蚪), never living 7 to become adult frogs. It may soon be 8 to clone many types of animals. Will we also 9 clone human organs (器官), or even a whole human being? Maybe now the question is not whether we can clone humans, but 10 should we clone humans? |
( )1.A.keep ( )2.A.each ( )3.A.for ( )4.A.Plants ( )5.A.many ( )6.A.clones ( )7.A.long enough ( )8.A.helpful ( )9.A.must ( )10.A.except |
B.make B.neither B.from B.Animals B.much B.cloning B.short enough B.difficult B.should B.except for |
C.tell C.both C.with C.Life C.few C.cloned C.enough long C.possible C.can C.instead |
D.let D.none D.a(chǎn)s D.Humans D.little D.to clone D.enough short D.new D.be able to D.instead of |
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科目: 來源:山東省期末題 題型:閱讀理解
閱讀理解。 | |
An index (索引) is usually at the end of a book. It tells us most of the topics the writer talks about in the book. The topics are usually listed from letter A to Z. Under each topic,there are some small topics,and we can find the page number after each small topic. Here is part of an index from a cookbook: | |
| |
1. How many small topics are listed in the index of the cookbook the writer shows us? | |
[ ] | |
A.4. B.16. C.220. D.172. | |
2. If we are learning to make dry potatoes,we may turn to age ______. |
[ ] |
A.63 B.67 C.82 D.100 |
3. From the material,we know that"apple and beef" is a kind of ______. |
[ ] |
A.salad B.fruit C.sandwich D.soup |
4. In this material, the underlined word "green" means a kind of ______. |
[ ] |
A.colour B.salad C.cookbook D.vegetable |
5. The whole material tells us about ______. |
[ ] |
A.how to be a very good chef B.what kind of food is very popular C.where to buy the cookbook D.how to use the index |
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科目: 來源:同步題 題型:閱讀理解
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科目: 來源:山東省期末題 題型:填空題
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科目: 來源:福建省期末題 題型:填空題
用方框中所給的詞的適當形式填空,使短文正確、通順。每詞限用一次。 | |
you have to practice all the time. Listening to the 3__________, watching television, and attending movies are good 4__________ to improve your listening skill. You can develop your speaking skill by 5_________ to native speakers of English whenever possible and by speaking aloud to 6__________ when you are alone. Reading and writing also require a lot of 7__________. You can improve your reading skills by reading English language 8__________ and magazines. Writing to 9__________ in English and keeping a diary are good ways to practice writing. Hope you have a good time 10___________ your stay here for the course, thank you. |
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科目: 來源:江蘇省期末題 題型:閱讀理解
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科目: 來源:江蘇省期末題 題型:閱讀理解
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科目: 來源:期中題 題型:閱讀理解
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科目: 來源:江蘇省期中題 題型:閱讀理解
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