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【单选题】
下列哪项组合是错误的:
A.
Hb-A→α2β2
B.
Hb-A2→α2δ2
C.
Hb-F→α2γ2
D.
Hb-A2→胎儿血红蛋白
E.
Hb-A2→占成人血红蛋白的2-3%
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【简答题】Photography is about taking photographs. In 1826, a Frenchman named Niepce needed pictures for his business. But he was not a good artist. So he invented a very camera. He put it in a window of...
【单选题】Why was Cunningham named a "living landmark"?
A.
He often rode his bicycle taking street photographs
B.
He was the most powerful person in New York
C.
He used to be the spokesman of New York
D.
He often took pictures of the landmarks in New York
【单选题】用波长为400~760nm的白光照射衍射光栅,其衍射光谱的第2级和第3级重迭,则第3级光谱被重迭部分的波长范围为
A.
600-760nm
B.
506.7-760nm
C.
400-506.7nm
D.
400-600nm
【简答题】Turn right/left.
【单选题】白光垂直入射于每厘米有4000条缝的光栅,若白光波长范围是400--760nm。利用这个光栅可以产生级清晰完整的光谱。
A.
1
B.
2
C.
3
D.
0
【简答题】turn left / right
【单选题】NEWS REPORT 2 - Q15
A.
He often rode his bicycle taking street photographs.
B.
He was the most powerful person in New York.
C.
He used to be the spokesman of New York.
D.
He often took pictures of the landmarks in New York.
【判断题】Photoshop在图像中绘制一个矩形选区,要用前景色进行填充,最快捷的方法是使用快捷键A l+Delete (在英文状态F)。
A.
正确
B.
错误
【多选题】You mustn’t turn left here. You turn right.
A.
have to
B.
must
【简答题】一、 看图选择相应的短语并抄写。 turn left turn right
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