【简答题】听录音,选择你所听到的单词。 ( ) 1. A. zoo ( ) 2. A. move ( ) 3. A. new ( ) 4. A. green ( ) 5. A. younger B. too B. movie B. know B. gray B. young C. who C. may C. how C. play C. aunt
【单选题】Given these events: 1. active sites on actin myofilament are exposed. 2. actin myofilament slides over myosin myofilament. 3. Ca++ ion binds to troponin. 4. myosin heads move. 5. cross bridges form. C...
【简答题】Task 2 listen to an extract from a lecture on the Chinese economy. After each section, choose the most suitable heading. 1. a. China 40 years ago b. background to economic success 2. a. growth statist...