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【单选题】
下列表述中不属于影响注意转移快慢因素的是
A.
先前活动中注意的紧张度
B.
后续活动对象的特点
C.
一个人的神经活动的灵活性
D.
刺激物的特点
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【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】已知A、B、C是中学化学的常见物质,它们在一定条件下有如下转化关系: (1)若A能使湿润的红色石蕊试纸变蓝;C为红棕色气体。则A转化为B反应的化学方程式为 。 (2)若D是金属,C溶液在贮存时应加入少量D,其理由是(用必要的文字和离子方程式说明) 。 (3)若D是一种常见的温室气体,A是一种强电解质且在水溶液中电离出的阴、阳离子均含有10个电子,固体C受热分解可得固体B,该反应的化学方程式是 。 ...
【单选题】打开一个word2010文档通常是指( )。
A.
为指定文件开设一个空的文档窗口
B.
把文档的内容从内存中读入,并显示出来
C.
显示并打印出指定文档的内容
D.
把文档的内容从磁盘调入内存,并显示出来
【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】理想的轴线最好与船体基线( )。
A.
平行
B.
垂直
C.
相交
D.
重合
【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】Corn,vegetables and fruits, which are ______food, are good choices for daily meals.
【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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