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
11
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/3884511.html
相关试题推荐
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
Thepearlisalustrousroundedgemformedinsideamollusk(软体动物).Since
Thepearlisalustrousroundedgemformedinsideamollusk(软体动物).Since
随机试题
[originaltext]W:Hello,Dick.M:Hi,Cathy.I’vegotgoodnewsforyou!W:Real
高于原地面,由填方构成的路基断面形式称为路堑。
企业各部门负责人和各岗位人员的安全生产责任必须进行(),并在相应的安全生产责任
担保物权消灭的原因包括( )。A.主债权消灭 B.担保物权的实现 C.债权
劳动生产率的高低是由众多因素决定的,主要包括( )。A.劳动者的最低熟练程度
可引起深反射亢进的疾病是( )。A.末稍神经炎 B.神经根炎 C.脊髓灰质
班级授课制出现以后产生了()。 A.教师 B.班主任 C.学生 D.校长
下列关于风险型CM模式的表述中,正确的有()。A.GMP低于合理值时,CM
照明灯具的最低悬挂高度,在下列房间可降低0.5m,但不应低于2.2m的是()。
按照《建设工程安全生产管理条例》下列关于特种作业人员持证上岗制度的说法中,正确的
最新回复
(
0
)