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【单选题】
()是指元素的外形发生了很大的变化,例如从矩形转变成圆形;而()则是指元素的位置、大小及透明度等的一些变化,这样的动画如飞机从远处慢慢靠近,一个基本图形的颜色由深变浅等,逐帧动画相对来说就比较容易理解的,但实际操作起来却很复杂。()
A.
逐帧动画;移动动画
B.
形状补间动画;运动补间动画
C.
动画;逐帧动画
D.
运动补间动画;形状补间动画
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举一反三
【单选题】__________ is a series of catabolic steps in which complex food molecules are broken down to their chemical building blocks by enzymes.
A.
Chemical digestion
B.
Physical digestion
C.
Ingestion
【单选题】Food is broken down both physically and chemically in the process called____.
A.
absorption
B.
digestion
C.
ingestion
D.
mastication
【单选题】设 int a=2,则执行完语句a+ =a*a后,a的值是()
A.
2
B.
4
C.
6
D.
16
【判断题】Absorption is the process by which food is broken down into small molecules.
A.
正确
B.
错误
【简答题】Before being absorbed, food is broken down by our digestive system into ________________.
【单选题】__________ is a series of catabolic steps in which complex food molecules are broken down to their chemical building blocks by enzymes.
A.
Chemical digestion
B.
Mechanical digestion
C.
Physical digestion
D.
Ingestion
【单选题】设int a=2,则执行完语句a+=a-=a*a后,a的值是【 】。
A.
2
B.
26
C.
1
D.
-4
【简答题】Fill in each blank with the most appropriate word or phrase from the ones listed on Student's Book. Many animals eat plants,(1)________ not many plants use animals as food.(2)________,some plants are ...
【单选题】回填面积乘平均回填厚度是算()
A.
室内回填
B.
房心回填
C.
场地回填
D.
基础回填
【简答题】The digestive process begins in . Food is partly broken down by the process of chewing and by the chemical action of salivary enzymes (these enzymes are produced by the and break down starches into sm...
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