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【多选题】
薄板群钻的特点是（）A.
薄板群钻两切削刃外缘磨成锋利的刀尖，钻心尖在高度上仅相差1～2mm
B.
薄板群钻两切削刃外缘磨成锋利的刀尖，钻心尖在高度上仅相差0.5～1.5mm
C.
钻薄板群钻又称三尖钻
D.
薄板群钻的特征要点是迂回、钳制靠三尖，内定中心外切圆
E.
压力减轻变形小，整又安全
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举一反三
【简答题】Task 5 Listen to the conversation in Task 4 again and decide whether the following statements are true (T) or false (F).
【单选题】图所示放大电路中,耗尽型MOS管的gm=1ms,MOS管输出电阻rd 趋于无穷大,各电容对交流信号可视为短路。该电路的Ri =____ 。
A.
3kΩ
B.
5MΩ
C.
5kΩ
【简答题】Task 5 details. Listen and complete the notes.
【简答题】task 5: Listen to the passage twice and fill intheblanks with waht you hear
【简答题】Task 5 Vocabulary Listen and fill in the missing words.
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. As you research music, you will find much that is familiar to you. You will fin...
A.
to find pleasure and our feelings in music
B.
how to research music
C.
how to express your feelings in music
D.
to discover things and places in music
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. A few years ago it was common to speak of a generation gap between young people...
A.
the problem of the generation gap draws much attention from people
B.
it is out of date to talk about the generation gap
C.
children and parents are trying to understand each other
D.
it is very important for people to talk with each other often
【简答题】Opening up: Task 1 & 2 Sharing: Task 1,2,3,4,5,6 Listening: Task 1 While > you listen: Task 3,4,5 After > you listen: Task 6,7 Before > you view: Task 1,2 While > you view: 3,4 After > you view: 5
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