首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The pearl is a lustrous rounded gem formed inside a mollusk (软体动 物) . Since pearls may be formed by any shelled mollusk, the mos
The pearl is a lustrous rounded gem formed inside a mollusk (软体动 物) . Since pearls may be formed by any shelled mollusk, the mos
admin
2012-10-19
23
问题
The pearl is a lustrous rounded gem formed inside a mollusk (软体动
物) . Since pearls may be formed by any shelled mollusk, the most valu- (1) ______
able pearls are obtained from the oysters. Except for imitation pearls, which (2) ___
are entirely man-made, all pearls are formed from a secretion (分泌物)
around an irritating body that enters the soft tissue of a mollusk.
If an irritating body enters the mollusk by accident, a natural pearl (3)______
forms. A cultured pearl forms if the irritating body is deliberately placed in
the mollusk by the man. (4)______
Unlike to other gems, pearls have a natural luster, and they do not need (5)______
to be polished. Although they are usually white or cream-colored, they may
also be any shade of pink, yellow, green, grey, or black. The most desirable
pearls are white with a creamy or pinkish cast. Black pearls are also very
valuable because of their scarce. (6)______
Imitation pearls are often made to appearing very similar to natural (7)______
pearls. Moreover, they do not have the luster of natural or cultured pearls. (8)______
Another way of distinguishing between imitation and natural or cultured
pearls is by gently rubbing the pearls through the surface of a tooth. Imita- (9)______
tion pearls feel smoothly, while natural or cultured pearls feel rough. (10)______
(10)
选项
答案
smoothly — smooth
解析
feel作为“摸起来(感觉是)”这个意思时,是一个系动词,其后应该用形容词词组作主语补足语。
转载请注明原文地址:https://kaotiyun.com/show/EOiO777K
0
专业英语八级
相关试题推荐
Duringthetraditionalweddingceremony,theCD#6bridalcouplepromiseseachotherlifelong【M1】______devotion.Yet,a
Sciencehaslonghadanuneasyrelationshipwithotheraspectsofculture.ThinkofGallileo’s17thcenturytrialforhisrebell
MarriageinAncientEgyptTheancientEgyptiansheldmarriageasasacredbond.Eachpersoninafamilyplayedhisorherown
MarriageinAncientEgyptTheancientEgyptiansheldmarriageasasacredbond.Eachpersoninafamilyplayedhisorherown
Note-takinginLecturesForlisteners,note-takingisanessentialwaytoachievebetter-understandingofalecture.Itinvo
Havingsaidallofthis,Ishould,perhaps,locatemyself.IteachandwriteaboutalooseandbaggyterritorycalledLasAmeric
ThewetvolcanicashthatcoveredaMayavillageinCentralAmericainaboutAD595coatedandpreservedeverydayobjectsbeans,
ThoughnottheidealshapeforaChristmasstocking,thisslimlittlevolumecouldneverthelessmakeawelcomeseasonalgift.L
______waswrittenbyJohnMiltonanditwasNOTintendedtobeperformedonstage,butreadbyasolitaryreader.
Accordingtothenewresearch,theoddshapemoundswereformedby______.
随机试题
泥质岩结构质地()。
设inta=100,*p1=&a,**p2=&p1;,则表达式**p2的值是______。
疯牛病的潜伏期一般为
土地增值额是()。
目前,国际金融市场的核心是()。
教师编写课时计划(教案)的一般步骤是什么?
设序列长度为n,在最坏情况下,时间复杂度为O(log2n)的算法是
设x=021,y=012,则z=x|y的值是()。
汉字国标码(GB2312—80)把汉字分成____________。
Marykeptweighingherselftoseehowmuch______shewasgetting.
最新回复
(
0
)