已知enum color{red, yellow, blue=4, green=7,black=blue+2}; cout<<black; 输出的结果是 。

若定义enum color {red=2, yellow, blue, white};那么blue的值为___________。 A: 0 B: 2 C: 3 D: 4

5 Didn't you see that'blue cat/blue'cat? A: 'blue cat B: blue'cat

Sandra usually wears ______ sunglasses. A: big blue B: blue big C: blue nice

In human, color blindness is caused by sex linked recessive genes, while blue eye is caused by autosomal recessive genes. A blue eyed woman whose father is color blind marries a brown eyed man whose mother is blue eyed. How many of their sons are blue eyed? ( ) A: 1/2 B: 1/3 C: 1/4 D: 3/4

下面为网页设置背景色正确的是()。 A: document.body.style.backgroundColor='blue' B: document.style.backgroundColor='blue' C: ody.style.backgroundColor='blue' D: document.body.style.background_color='blue'

下面为网页设置背景色正确的是（）。 A: document.style.backgroundColor=’blue’ B: body.style.backgroundColor=’blue’ C: document.body.style.backgroundColor=’blue’ D: document.body.style.background_color=’blue’

A solution that appears blue absorbs blue light.

18. It's in the ________ container. A: large blue metal B: blue large metal C: blue metal large

What does blue mean in the phrase “Blue Monday”?_