为使微生物生长旺盛，培养基中营养物质的浓度越高越好。

According to the passage(文章), when a man and a woman came to the restaurant, who paid the food？

A．The man always paid the food.

B．The woman always paid the food.

C．Sometimes the man paid the food, sometimes the woman paid the food.

According to the passage (文章) ,when a man and a woman came to the restaurant, who paid the food？

A．The man always paid the food.

B．The woman always paid the food.

C．Sometimes the man paid the food, sometimes the woman paid the food.

According to the passage, insurance is ______.

A．not worth buying

B．useless

C．worth buying

D．cheap but not necessary

What happens when a couple is divorced, according to the passage？

A．The children become homeless.

B．The man is financially responsible for the welfare of his children.

C．The woman gets money from the man yearly.

D．The man and the woman remarry soon.

According to the man, what sort of safety feature is used on the filters7

A．They become clogged before losing effectiveness.

B．They're equipped with built-in measuring devices.

C．Their safety, limits are clearly marked.

D．They change color when no longer effective.

What happens when a couple is divorced, according to the passage？

A．The children become homeless.

B．The man is financially responsible for the welfare of his children.

C．The woman gets money from the man yearly.

D．The man and the woman remarry soon.

According to the passage, insurance is ______.

A．not worth buying

B．useless

C．worth buying

D．cheap but not necessary

According to the passage, insurance is ______.

A．not worth buying

B．useless

C．worth buying

D．cheap but not necessary

A．Y

B．N

C．NG

Which of the following statements is NOT true according to the passage？

A．More oxygen needs to be prepared when a man is having surgery.

B．Man's courage has nothing to do with male's body structure.

C．A woman usually stays cooler in summer and warmer in winter.

D．It is easier for a man to lose his weight.