题目内容

在汛期，水库不得擅自在()水位以上蓄水。

A. 设计水位
B. 正常水位
C. 汛限水位

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To understand a word fully, a student must know not only what it refers to, but also where the boundaries are that separate it from words of related meaning.

______refers to words which the students understand, can pronounce correctly and useconstructively in speaking and writing.

A. active vocabulary
B. passive vocabulary
C. new vocabulary
D. old vocabulary

______ is a device for creating and extending meaning, and it is is an imaginative way

A. personification
B. irony
C. euphemism
D. metaphor

Techniques for grouping items of vocabulary fall into three general categories: semantic fields, phonological sets and grammatical sets. Grouping items related by topics, for example, types of fruit, belongs to the semantic fields.