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【单选题】
计算机病毒产生的原因是 ( ) 。A.
A、生物病毒传染
B.
B、硬件性能变化
C.
电磁干扰
D.
D、人 为因素
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举一反三
【单选题】int a[ ]={45, 4 , 67, 23, 657, 787, 34, 52, 56};数组中a[5]的值为( )。
A.
45
B.
23
C.
787
D.
657
【简答题】healthy energy weight spend born Corn, vegetables and fruits, which are ________ food, are good choices for daily meals.
【单选题】Corn, vegetables and fruits, which are ________food, are good choices for daily meals.
A.
oily
B.
healthy
C.
unhealthy
D.
harmful
【判断题】Both corn, vegetables, fruits, hamburgers and ice-cream are good choices for daily meals.
A.
正确
B.
错误
【简答题】Fill in the blanks with the proper forms of the words given below. healthy ; energy ;weight ;amount ; measure ; calories ;make sb. do sth ; instead of ; need sb. to do sth ; spend ......
【简答题】healthy energy weight amounts spend special independent absorbed started born 3.Corn, vegetables and fruits, which are ________ food, are good choices for daily meals.
【单选题】int a[]={45, 4 , 67, 23, 657, 787, 34, 52, 56};数组中a[5]的值为( )
A.
23
B.
45
C.
657
D.
787
【简答题】翻译下列段落 To keep healthy weight, it is important to have the right amount of calories for your age. The calorie is the measure of how much energy food gives us. Doctor King says boys and girls need diff...
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