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文殊兰为球根花卉,株高可达lm。鳞茎_________。叶多数密生,在鳞茎顶端莲座状排列,条状披针形,花白色。

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I.Choose the best answer.1.The sentence structure is ________. A. only linearB. only hierarchicalC. complexD. both linear and hierarchical2.The syntactic rules of any language are ____ in number. A. largeB. smallC. finiteD. infinite3.A sentence is considered ____ when it does not conform to the grammati­cal knowledge in the mind of native speakers.A. rightB. wrongC. grammaticalD. ungrammatic4.The head of the phrase “the city in which people live” is __________. A. peopleB.liveC.in whichD. the city

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