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单选题 下列分子或离子能做螯合剂的是()
学科：默认课程
时间：2025-12-23 10:12:42
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Grammar practice is usually divided into two categories, mechanical practice and meaningful practiceA. 正确B. 错误
题目2判断题
There are many situations in which we use more than one language skill, so it is valuable to integrate the four skills, to enhance the students' communicative competenceA. 正确B. 错误
题目3判断题
Most research has also agreed that there is a positive role of instruction for grammar learningA. 正确B. 错误
题目4判断题
Grammar is sometimes defined as 'the way words are put together to make correct sentences' or 'rules for forming words and combining them into sentences'A. 正确B. 错误
题目5判断题
Diane Larsen-Freeman divided grammar into three dimensions: form, meaning and functionA. 正确B. 错误
题目6判断题
The deductive method, the inductive method and the guided discovery method are three frequently used methods of presenting grammarA. 正确B. 错误
题目7判断题
In the Inductive method, the teacher provides learners with authentic language data and induces the learners to realize grammar rules with any form of explicit explanationA. 正确B. 错误
题目8判断题
Grammatical competence can't be attained solely through exposure to the target language or meaningful inputA. 正确B. 错误
题目9判断题
Substitution drills and Transformation drills are the most frequently used in mechanical practiceA. 正确B. 错误
题目10单选题
下列分子或离子能做螯合剂的是()A. HO-OHB. NH2-OHC. CH3COO-D. H2N-NH2E. H2NCH2-CH2NH2
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