1 . The boy has learnt to be independent because his mother always ______ herself with much office work.

A．occupies

B．helps

C．attaches

D．devotes

2 . With several rounds of talks, the union leaders successfully ________ an agreement for a shorter working week.

A．deserved

B．negotiated

C．persuaded

D．demanded

3 . In some cases, specific groups may be formed to ________ specific issues.

A．put

B．press

C．address

D．make

4 . The term “artificial intelligence” was coined in the mid-1950s.

A．advised to do sth.

B．asked for sth very firmly

C．invented a new word or phrase

5 . The plan is designed to motivate students to work more efficiently.

A．to express praise for sb or sth. because you approve of them

B．to take part in or become involved in an activity

C．to make sb. want to do something , especially sth. that involves hard work

6 . Black cats are still __________ as Halloween cats, creatures of bad luck, more appropriate on a witch’s broomstick than curled up on your pillow.

A．paralysed

B．stereotyped

C．optimized

D．diagnosed

7 . He _____in surprise as he unwrapped the birthday gift and found his favorite book inside.

A．explained

B．gestured

C．exclaimed

D．announced

8 . The film, ____ almost a quarter-century, tells the story of Henry Hill.

A．spanning

B．excluding

C．infecting

D．irritating

9 . Last Monday, we were having our Chinese class when the teacher suddenly________.

A．slipped

B．froze

C．wrapped

D．drowned

10 . The twins resemble very much in appearance.We couldn’t          them out.

A．figure	B．carry
C．spot	D．turn