[填空题]In Little Things Are Big, the author dared not help the white woman because he was afraid that （　）

[填空题]The man in "Little Things Are Big" finally makes a promise that when faced with a situation like that again he is going to （）

[填空题]author

[单项选择]He hardly dared to walk outside alone at night. Which of the following statements is true（）
A. He often walked outside alone at night
B. He decided to walk outside alone at night
C. He seldom walked outside alone at night
D. He would never stop walking outside alone at night

[填空题]Acupuncture has been proved to be effective in helping people quit smoking.

[单项选择]Color is very important to most animals for it helps them to get along in the world. Color (21) to make an animal difficult for its enemies to (22) . Many animals match their (23) so well that as long as they do not move no one is (24) to see them. You probably have often "jumped" a rabbit. If you (25) , you know how the rabbit sits perfectly still (26) you are just a few feet away. You (27) see the rabbit till it runs for its (28) matches very closely the place where it is (29) . Many times you may have walked past a rabbit (30) didn’t run and you never knew it was there at all.
One of the most usual color schemes that helps animals to keep (31) being seen, is a dark back and light underpants. If an animal is the same color all (32) , there is always a dark shadow along the animal’s belly (腹部). (33) an enemy couldn’t see the animal he could see this dark shadow. The shad
A. helps
B. contributes
C. tries
D. manages