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
2023-12-13
57
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] (4)
选项
答案
第二个the — /
解析
“the man”的意思是确定特指,并不符合上下文的意思。其实本意是说“(任何一个)人”,指人类作为一个整体的类指,这时应该在man的单数形式前面加上零冠词。
转载请注明原文地址:https://tihaiku.com/zcyy/3269953.html
相关试题推荐
______waswrittenbyJohnMiltonanditwasNOTintendedtobeperformedonstag
Accordingtothenewresearch,theoddshapemoundswereformedby______.[origi
"Themanputonhishat"istransformedinto"Themanputhishaton".Thenwhic
Accordingtothenewresearch,theoddshapemoundswereformedby______.[br]
Accordingtothenewresearch,theoddshapemoundswereformedby______.[origi
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
LangstonHughesandHisWork:InsideandOutI.GeneralIntroductionofLangston
TheContinentalDivideisformedin.A、theAppalachianMountainsB、theRockyMou
随机试题
TheImpactofWildernessTourismA)Themarketfortourismin
Thediscoveriesofthesocialsciences,onceisolatedandlabeled,are______co
流式细胞式尿沉渣分析仪不能鉴别的指标为A.细菌 B.红细胞 C.白细胞 D
患者,6岁,高热5小时、反复抽搐,意识不清,急査白细胞14×10/L,肛拭子取粪
下边四个图形中,只有一个是由上边的四个图形拼合(只能通过上、下、左、右平移)而成
中风中经络兼见肢体软弱,偏身麻木,手足肿胀,面色淡白,气短乏力,心悸自汗,舌暗
(本题22分) 案情: 2010年10月2日午夜,A市某区公安人员在辖区内巡
可参考哮喘证辨证论治的西医疾病是A.上呼吸道感染 B.多种神经症 C.慢性肾
患者,女,43岁,晨起刷牙时发现右侧口角漏水,即刻照镜子发现右口角下垂,右眼不能
武汉C公司是一家制造型企业,主打产品小家电。由于C公司有一整套的生产过程检测体系
最新回复
(
0
)