单项选择题

Which of the following description is INCORRECT

A. The new strain of mosquito has been released into the wild.
B. Scientists have done similar researches before.
C. The new strain of mosquito cannot spread the disease.
D. This kind of mosquito is genetically modified.
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单项选择题
Where was Mary Ann born
A．In a small village.
B．North of Chicago.
C．In Washington.
D．In Hawaii.
单项选择题
The first paragraph is written to ______.
A. report the suicide of a young man

B. show the suffering of Mr. And Mrs. Satow

C. describe the Satows’ confusion over their son’s death

D. introduce the topic of a website called Ulifeline
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