together in his novels .................. .
A) has been frequently criticised by the audience
B) is to create a convincing picture of a period
C) didn’t achieve the result he aimed for in The Wall
D) has not been appreciated except in the case of The Wall
E) has not been shared by other 20th-century German novelists
Many substances, whether man-made or natural, can cause harm to man or the environment. Some of
these reach the environment in waste streams; however, emission limits and environmental quality
standards can, in some instances, reduce the amounts released. But some other substances cannot be
controlled in this way because they are release, not in industrial waste streams, but through the use of
disposal of products which contain them. In many cases these substances pose little or no threat if the
product containing them is used and disposed properly. The right way to deal with them is usually
through controls over their supply, use and disposal.
193- According to the passage, the threat of certain substances to the environment ................ .
A) is far less than that to man
B) has been unnecessarily emphasised
C) has to date been completely ignored
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