【单选题】Qustions 8 to 11 are based on the conversation you have just heard.
A.
It enables her to improve her pronunciation.
B.
It helps her better remember what she learns.
C.
It turns out to be an enjoyable way of learning.
D.
It proves to be far more effective than writing.
【简答题】直接写得数. 4÷40%= 3 10 × 5 6 = 20×5.5= ( 1 4 + 1 8 )×4= 1 3 - 1 4 = 2.9+3.4= 0.1÷0.01= 6- 8 15 - 7 15 = 6 7 ÷3= 6× 2 3 = 1 2 ÷ 1 8 = 1÷ 1 3 - 1 3 ÷1=
【单选题】Qustions 8 to 11 are based on the conversation you have just heard.
A.
It keeps her mind active.
B.
It makes her stay awake.
C.
It enables her to think hard.
D.
It helps her kill time.
【简答题】变压器利用_____作用,把一种电压的交流电能转变成频率相同的另一种电压的交流电能。
【简答题】变压器利用 作用,把一种电压的交流电能转变成 相同的另一种电压的交流电能。
【多选题】在使用某种方法对创业机会进行评价时,应当把握的评判标准有( )
【简答题】直接写出得数. 36-18= 0.48÷0.3= 2.5×40= 7÷19= 3.7×1000= 18×1%= 1- 6 7 = 7 8 ÷ 3 4 = 1 3 ×(15+ 6 7 )= 6÷( 1 2 - 1 3 )= 1- 2 5 + 3 5 = 3 11 ×9÷ 3 11 =