首页 > 外语类 > 英语专业考试 > 专业英语八级 > Nowhere in nature is aluminum found free, owing to its always ____ with other elements, most commonly with oxygen.

Nowhere in nature is aluminum found free, owing to its always ____ with other elements, most commonly with oxygen.

A.being combined
B.having combined
C.to combine
D.combined
查看答案
正确答案： A
答案分析： 【句意】 由于铝总是和其它元素结合在一起，最常见的是和氧气在一起，所以自然界中哪里也不会找到单独的铝元素。
【难点】 owing to 是介词，后应接名词或动名词，根据题意，应接被动语态形式。
包含此试题的试卷：
大学专业八级英语（词汇与语法）全真模拟练习及答案解析
相关的试题
Trouble with Teamwork Mary Owen examines the role and efficiency of teams Recruiters say that candidates who can give examples ofwork they have done as members of a successful team are in asstrong ...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has , atthe same time, made many foods unfit to eat. Some res...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
If you do not find the required information using the tips from the previous section, then you need to consult an online service to find the piece of information you were looking for. Three different...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
Questions 1 to 5 are based on the following passage: Some years ago the captain of a ship was very interested in medicine. He always took medicine books to sea and liked to talk about different dise...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
If the old maxim that the customer is always right still has meaning, then the airlines that ply the world’s busiest air route between London and Paris have a flight on their hands. The Eurostar tra...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
The discovery of the Antarctic not only proved one of the most interesting of all geographical adventures, but created what might be called “the heroic age of Antarctic exploration”. By their tremend...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
I live in the land of Disney, Hollywood and year-round sun. You may think people in such a glamorous, fun-filled place are happier than others. If so, you have some mistaken ideas about the nature of...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
More attention was paid to the quality of production in France at the time of Rene Coty. Charles Deschanel was then the financial minister. He stressed that workmanship and quality were more importan...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too small for the human eye to see. They drift about laz...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
People with disabilities comprise a large part of the population. It is estimated that over 35 million Americans have physical, mental, or other disabilities. About half of these disabilities are “de...
A.being combined
B.having combined
C.to combine
D.combined
查看答案
网站内容收集于网络，如有侵犯您的权益，请联系：gl@lm158.com，感谢您的支持
神奇助手题库网