题目内容

Human language has two levels of structures, such as, units of the primary level are composed of elements of the secondary level and each of the two levels has its own principles of organization. Lang

A. duality
B. cultural transmission
C. arbitrariness
D. cognitive creativity

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听力教学的步骤都有哪些？（6分）请简要分析一下。（14分）

Teacher Tom gave the topic of“Send a Letter”,and then asked students to recall the words they learnt such as“post office,stamp,envelop,address,zip code”.Which memorizing strategy did he use？

A. Memory systems
B. Association
C. Dictionary strategy
D. Internet assistance

All her time________ research, the scientist has no time for films.

A. devoted to do
B. is devoted to doing
C. devoting to doing
D. devoted to doing

_ he got the news, Mr. Mathews hurried out of his house, _ his car, and drove all the way to town.

A. When; started
B. The moment; started
C. Until; starting
D. Once; to start