Which of the following can be referred to as a time signal？

Which of the following can not be referred to as natural food?

A．Vegetables and fruits with essential vitamins and minerals.

B．Foods grown in soil rich in organic matter.

C．Poultry fed in free pastures.

D．chickens raised on battery farms.

The word "naked" (in para. 3) could be replaced by which of the following?

A．Red.

B．New.

C．Old.

D．Bare.

The word "naked" (in para. 3) could be replaced by which of the following?

A．Red.

B．New.

C．Old.

D．Bare.

A vessel would be referred to as "stiff" when the weight of the cargo is ______.

A.evenly distributed vertically and the double bottoms are full

B.concentrated low and the double bottoms are empty

C.concentrated low and the double bottoms are full

D.concentrated high and the double bottoms are empty

According to Dr. Salim, which of the following statement is true?

A．Some people who got vaccinated kept healthy.

B．A number of effective vaccines were developed just on the hypothesis.

C．The hypothesis for vaccines has never worked well until now.

D．The white blood cells are the root cause of HIV infection.

The pressure of a liquid leaving the pump can be referred to as the ______.

A.total head

B.discharge head

C.net positive suction head

D.suction head

Which of the following, if true, casts the most doubt on the conclusion in the passage that the pension fund will inevitably go bankrupt?

A．The pension fund is invested in a conservative portfolio of bonds and money market funds that perform, on average, slightly better than inflation.

B．Financial analysts have determined that, with current levels of payments into and out of the plan, the pension fund will remain solvent for at least another seven years.

C．If the company is bought or goes out of business, the payments to retirees from the pension funds are likely to become subject to arbitration by either the new owners or the bankruptcy trustees, in which case the "guaranteed" payments could be readjusted

D．The restructuring of the workforce has dramatically increased the efficiency of steel production at Southfork, resulting in substantially higher revenues per employee than in the past, and consequently much higher salaries.

E．Although the modern era is referred to as a "postindustrial" age, the worldwide demand for steel has never been higher.

For which of the following reasons are late seventeenth and early eighteenth century Chinese records important according to the passage?

A．They suggest that the data on which the Maunder minimum was predicated were incorrect.

B．They suggest that the Maunder minimum can not be related to climate.

C．They suggest that the Maunder minimum might be valid only for Europe.

D．They establish the existence of a span of unusually cold weather worldwide at the time of the Maunder minimum.

Which of the following sentences is INCORRECT?

A．A majority of Taiwanese people believes in Buddhism and Taoism.

B．A committee of five men and three women is to consider the matter.

C．A panel of arbitrators has decided in favor of our company.

D．A number of soldiers were detached to guard the building.

There is a time when, if a lady got onto a crowded bus or train, a gentleman would immediately stand up and【31】her his seat. No more, though. Today a gentleman will probably look out of the window, or, if he feels a bit guilty, hide behind his newspaper. Either way, the lady will have to stand【32】someone else gets off.

You can't entirely【33】men for this change in manners, though. The days are gone when women could be referred to【34】the weaker sex without causing【35】. A whole generation of women has grown up demanding【36】with men, not just equality in jobs or education, 【37】in social attitudes. Hold a door open for some women and you are【38】to get an angry lecture on treating women as inferiors, unable to open doors for【39】Take a girl out for a meal and she' 11 probably【40】on paying her share of the bill, though on【41】thoughts perhaps that's not such a bad idea.

It's no wonder, then, that men have given up some of the automatic gestures of politeness and【42】which they used to show towards women. On the other【43】, automatically made politeness is perhaps slowly being【44】by true consideration for the needs and feelings of women, so that men can see women as equal human beings, 【45】than as sex-objects or attractive properties.

(31)

A．provide

B．offer

C．hand

D．reserve