[单项选择]Telecommuting is much less expensive than commuting to work every day.

[单项选择]The heat in winter is much less______than it is in summer.
A. intense
B. intensive
C. extensive
D. tense

[单项选择]How many integers 72 greater than 10 and less than 100 are there such that, if the digits of n are reversed, the resulting integer is n+9 ？（）
A. 5
B. 6
C. 7
D. 8
E. 9

[单项选择]If k is an integer greater than 44 and less than 51，then which of the following could be the product of 11 and k ？（）
A. 565
B. 550
C. 500
D. 484
E. 440

[单项选择]Old John smoked less than before.

[单项选择]Why will battery buses cost less than conventional buses in the long run
A. They will spread the capital cost over a long period.
B. They will be stronger and last longer.
C. They will use less fuel and cost less to maintain.
D. They will be charged at night when electricity costs less.

[单项选择]Parents have to do much less for their children today than they used to do, and home has be- come much less of a workshop. Clothes can be bought ready made. Washing can go to the laundry; food can be bought cooked, canned or preserved.

[单项选择]

Passage Two
Parents have to do much less for their children than they used to do, and home has become much less of a workshop. Clothes can be bought ready made; washing can be done at the laundry; food can be bought cooked, canned; bread is baked and delivered by the baker; milk arrives on the doorstep; meal can be had at the restaurant, the work’s canteen, and the school dining room.
It’s unusual now for father to persue(追求)his trade of other employment at home, and his children rarely, if ever, see him at his place of work. Boys are therefore seldom trained to follow their father’s business, and in many towns they have a fairly wide choice of employment and so do girls. The young wage-earner often earns good money, and soon gains a feeling of economic independence (经济上的独立). In textile areas it has been customary for mothers to go out to work, but this practice has become so widespread that the working mother is now not an unusual
A. mothers have the practice to go to work
B. working mothers have no time to stay with their children at home
C. mother's position in a family has been raised
D. young wage-earners are economically independent

[单项选择]Parents have to do much less housework for their children today than they used to do.
A. 现今，做父母的让其子女们操持家务的比以往少得多了。
B. 现今，做父母的为其子女们操持家务比以往少得多了。
C. 现今，父母做的家务事比子女们少得多了。
D. 现今，父母做的家务事比子女们多得多了。