Researchers of New Zealand will raise a flock of sheep through genetic engineering in order to （）

单项选择题What is the girl（）

A. A teacher.
B. A salesgirl.
C. A student.
D. A hostess.

单项选择题The writer takes an example to show he is （）the way the word is used.

A. happy with
B. strange to
C. worried about
D. careful with