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【单选题】
________ 类型的文件不可置入到 photoshop 中。A.
TIFF
B.
EPS
C.
GIF
D.
JPEG
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】Israeli scientists are working to share their desert aquaculture technology with countries like Tanzania, India and China because______.
A.
all of them are third world countries
B.
these countries are still struggling with lack of enough food
C.
these countries are covered by large areas of dry land
D.
people who live in these countries are among the poorest in the world
【单选题】What does "workhorse" mean in this video clip?
A.
运载工具
B.
吃苦耐劳的人
C.
干苦力的马
D.
立下汗马功劳的人（物）
【单选题】Other countries experienced a loss in high technology export market share of by almost ______.
A.
10%
B.
11%
C.
12%
【单选题】As all the people of the world share one earth, industrial countries should be responsible for helping ______ and ______ countries.
A.
developed... underdeveloped
B.
developing... underdeveloping
C.
developing... underdeveloped
D.
developed... underdeveloping
【简答题】模仿预习视频中的程序,尝试编写如下 C 程序。 用变量a,b表示长方形的长和宽,计算长方形的面积s,并将面积s的值在屏幕上输出。 要求将程序源代码和执行结果截图上传。
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