在职申硕英语考试

【单选题】Color is very important to most animals for it helps them to get along in the worl
D、Color (61) to make an animal difficult for its enemies to (62) . Many animals match their (63) so well that as long’as they do not move no one is (64) to see them. You probably have often "jumped" a rabbit. If you (65) , you know how the rabbit sits perfectly still (66) you are just a few feet away. You (67) see the rabbit till it runs for its (68) matches very closely the place where it is (69) . Many times you may have walked past a rabbit (70) didn’t’ run and you never knew it was there at all.
One of the most usual color schemes that helps animals to keep (71) being seen, is a dark back and light underpants, if an animal is the same color all (72) , there is always a dark shadow along the animal’s belly (腹部). (73) an enemy couldn’t see the animal he could see this dark shadow. The shadow makes the animal (74) out to view.But if the belly is (75) than the rest of the animal, the shadow will not be notice
D、
A．sometimes
B．occasionally
C．seldom

D、often

网考网参考答案：C
网考网解析：
[解析] secom意为“很少，不常”，有否定含义，符合题意。occasionally意为“偶尔”，A、B、D三项是三个频度副词，均无否定含义。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>