[自] 步进马达控制（器）

Step by Step2000第四册 Unit 8 Love and Help (II)

Unit 8 Love and Help (II) Part I Warming up A. Tapescript: 1. Help the old The elderly at home and in the neighborhood, especially those living alone, need your care and support. Show your concern and attend to their needs wherever possible. Your sup

发表于:2018-12-27 / 阅读(32) / 评论(0)

Step by Step2000

Step by Step 3000 第2册 Unit1:Happy Family Life(1)

Step by Step 3000. Book 2. Unit 1. Happy family life. Part 1. Warming up. A. Keywords. family, name, age. Vocabulary. architect, Wales. Supply the missing information about the Porter family according to what you hear. Mr William Porter is very old,

发表于:2019-01-22 / 阅读(26) / 评论(0)

Step by Step 3000 第二册

Step by Step 3000 第1册 Unit9:For Peace and Development(4)

Part 4. Language Study and language appreciation. Listen to the following statement, pay special attention to the parts in bold type, learn to appreciate and use the language. 1. in a bid to. United Nations is holding the world's first Road Safety We

发表于:2019-02-03 / 阅读(31) / 评论(0)

step by step 3000 第一册

Step by Step 3000 第1册 Unit9:For Peace and Development(2)

Part 2. The Panama Canal handover. Keyword. The Panama Canal, 19th century, hard labor, cut off, engineering marvels, relinquish control of. Vocabulary. swamp, jungle, malaria, deposit, lock, toll, marvel, relinquish, coincide. A. Listen to three sho

发表于:2019-02-03 / 阅读(33) / 评论(0)

step by step 3000 第一册

职称英语常见短语及固定搭配

1. out of place 不适当的 2. out of sight 看不见，在视野外 3. out of the question 毫无可能的 4. out of touch 不联系，不接触 5. heart and soul 全心全意 6. hand in hand 手拉手，密切关联 7. how about 怎么样 8. off d

发表于:2019-02-09 / 阅读(35) / 评论(0)

实用英语

Step by Step 3000 第2册 Unit10:Health(3)

Part 3. Lifestyle and environmental factors versus cancers. Keywords. factors, control, cancer cases, list of causes, life style and environmental exposures, best option. Vocabulary. bladder, cervix, pancreas, digestive tract, speculate. A. You're go

发表于:2019-02-15 / 阅读(45) / 评论(0)

Step by Step 3000 第二册

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ambulatorial seta

arc welding generator with self-excitation

blacker-than-black synchronizing signal