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【判断题】
南美东航线主要有巴西、阿根廷和乌拉圭三个国家。
A.
正确
B.
错误
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【简答题】Somedoctors practice deception because they believe that __________.A. telling the patients the truth may destroy their hope of recovery B. their lies are absolutely different from self-serving ones C...
【简答题】Although there is no cure for the common cold, doctors believe that vitamins can help pr them. Many doctors recommend vitamin C to pr colds, and some doctors suggest that you take large amou...
【单选题】Some doctors practice deception because they believe that __________.
A.
their lies are absolutely different from self-serving ones
B.
the seriously ill don’t want to know the truth about their condition
C.
telling the patients the truth may destroy their hope of recovery
D.
all of the above
【单选题】下列颜色中不属于三原色的是哪一种?
A.
B.
C.
绿
D.
【单选题】( )下列颜色中不属于三原色的是哪一种:
A.
B.
C.
D.
绿
【单选题】当T1在下列哪种情况下, T1中断请求标志位TF1自动置1,向CPU申请中断。
A.
设置工作方式时
B.
赋初值时
C.
启动时
D.
计数溢出
【单选题】( )100.运用有效数字运算法则求28.0+15.65+3.0007的值是()。
A.
46
B.
46.6
C.
46.7
D.
45.6507
【单选题】已知圆的半径R=3.145mm,运用有效数字的运算法则,求周长C()
A.
19.75mm
B.
19.751mm
C.
19.76mm
D.
19.763mm
【判断题】发动机的配气相位是由制造厂家根据发动机结构和性能要求的不同,通过反复试验来确定的,因此均为定值是不可改变的。( )
A.
正确
B.
错误
【单选题】动物血清抗毒素对人而言属于
A.
异种抗原
B.
同种异型抗原
C.
独特型抗原
D.
共同抗原
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