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【单选题】
用示波器测量喷油器两端的喷油信号波形。A.
四个有波形
B.
两个无波形
C.
一个无波形
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【简答题】已知F 1 （-5，0），F 2 （5，0），动点P（x，y）满足|PF 1 |-|PF 2 |=10，则动点P的轨迹方程是______．
【单选题】. Early to bed and early to rise ______ a man healthy, happy and wise.
A.
making
B.
to make
C.
make
D.
Makes
【简答题】已知unsigned char duanma[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};则执行语句P0=duanma[5%10];后，P0= 。
【单选题】early to bed and early to rise( )a man healthy, wealthy and wise.
A.
make
B.
had made
C.
makes
D.
will make
【简答题】Early to bed and early to rise makes a man healthy, (wealth) ______ and wise.
【单选题】. Early to bed and early to rise _____ a man healthy , wealthy and wise .
A.
make
B.
makes
C.
have made
D.
will make
【简答题】Early to bed and early to rise_____________(让人健康、富有与聪明).
【简答题】已知unsigned char duanma[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};则执行语句P0=duanma[19%10];后，P0= 。
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