When workers are organized in trade unions, employers find it hard to lay them（）

单项选择题It’s more （） to buy a season ticket if you travel every day.

A.cheap
B.economic
C.economical
D.saving

单项选择题To study a foreign language,（）

A.a good dictionary should be bought
B.buying a good dictionary is necessary
C.you should buy a good dictionary
D.it is necessary that you will buy a good dictionary

单项选择题He thoroughly understood the society（）

A.he had grown up
B.which had he grown up
C.in which he had grown up
D.he had grown up in it

单项选择题As you like popmusic，（）I like literature.

A.so
B.therefore
C.as
D.thus

单项选择题I bought this eighteenth century writing desk at a quite（）price.

A.reasonable
B.cheap
C.small
D.expensive

单项选择题The farmer had to wear heavy boots in the winter because the fields were too wet and（）

A.earthy
B.solid
C.dusty
D.muddy

单项选择题Sixty per cent of television viewers chose him as their（）actor.

A.popular
B.desirable
C.favorite
D.superior

单项选择题In the future, more（）should be placed on the education of the young.

A.crisis
B.implications
C.impressions
D.emphasis

单项选择题Only a(n)（）few were invited to the dancing party.

A.elect
B.special
C.select
D.selective

单项选择题Construction of the railways helped to develop the national （） of Tanzania and Zambia.

A.economic
B.economies
C.economics
D.economical