题目内容

For many years, what have scientists been cloning?Scientists have been cloning all kinds of____________ for years.

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What are some of the common problems for cloned animals?Cloned animals tend to have serious ___________________ and shorter life.

1. It’s important to be aware ________ some basic online security measures.

A. in
B. by
C. at
D. of

2. She will always _______ in mind what her parents told her when she left home.

A. place
B. put
C. keep
D. take

3. You need to be able ________ pressure in this job.

A. handle
B. to handle
C. handling
D. handled