7. The scientists have absolute freedom as to what research they think is best to _____.

A. 　 The Libra

B. 　 The Capricorn

C. 　 The Aries

D. 　 The Aquarius

A. 　 must hold friendship ceremonies

B. 　 have to eliminate differences in background

C. 　 should make friends with those who are of the same age and the same race

D. 　 should support and understand each other through shared experiences and emotions

A. 　 Her parents didn’t want her to be a nurse

B. 　 There were no nursing schools at that time

C. 　 She didn’t have enough money

D. 　 Both A and B

A. 　 One hour.

B. 　 Two hours.

C. 　 Three hours.

D. 　 Four hours.

A. 　 Walking

B. 　 Walk

C. 　 Walks

D. 　To walking

A. 　 all those who get on well with each other are friends

B. 　 friends are closer than people who just get on well with each other

C. 　 everyone understand clearly how to make friends

D. 　 every students has 6 friends

A. 　 Hamburgers and salad

B. 　 Some fruit and vegetables

C. 　 An egg and an apple

D. 　 Noodles， chicken and ice cream

A. 　 Achievement tests have failed to truly reflect the quality of teaching.

B. 　 Public schools lack the resources to compete with private schools.

C. 　 Little improvement in education has resulted from increased spending.

D. 　 The number of students has increased much faster than that of teachers

A. 　 Most of the workers are immigrants.

B. 　 The workers have more kids than before.

C. 　 Most native workers like to work abroad.

D. 　 Its number has declined for various reasons.

A. 　 Thursday

B. 　 Friday

C. 　 Saturday

D. 　 Sunday