首页
登录
职称英语
The pearl is a lustrous rounded gem formed inside a mollusk (软体动物) . Since
The pearl is a lustrous rounded gem formed inside a mollusk (软体动物) . Since
游客
2024-12-25
42
管理
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)______ [br] (5)
选项
答案
to — /或Unlike — Dissimilar
解析
unlike意思是“和……不同”,它本身就是介词,所以不需要再加上介词to;如果把unlike改成形容词dissimilar也可以。
转载请注明原文地址:http://tihaiku.com/zcyy/3884512.html
相关试题推荐
Accordingtothenewresearch,theoddshapemoundswereformedby______.[origi
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
TheContinentalDivideisformedin.A、theAppalachianMountainsB、theRockyMou
Thepearlisalustrousroundedgemformedinsideamollusk(软体动物).Since
Thepearlisalustrousroundedgemformedinsideamollusk(软体动物).Since
Thepearlisalustrousroundedgemformedinsideamollusk(软体动物).Since
随机试题
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
College-boundAmericanhighschoolstudentsusuallyhavesomecombinationof
Researchersinmanycountrieshaveobservedthatmiddleclasschildrenasa
AfterthePresident’sSonsWereImprisonedIndividuals
[originaltext]M:Ifwedecidedtotaketheapartment,howsooncouldwemovein
某公司公开发行股票100万股,每股面值1元,每股发行价格10,按发行总收入的5%
下列哪项指标对诊断甲状腺功能亢进有较高的敏感性()A.T B.T C.
患者,女,50岁。体弱多病,形体消瘦,气短乏力,纳食不香,头晕心慌,嗳气,腹胀,
出于风险控制的目的,商业银行最忌讳的是()。A.贷款发放分散
以下有关洗胃注意事项的叙述中,正确的是A.强腐蚀剂中毒者禁止洗胃 B.中毒引起
最新回复
(
0
)