It can be known from the passage that increase in the salinity of ocean water is caused

From this passage, it can be known that Hawking ______.

A．is unhappy because of his illness

B．is always complaining about his illness

C．is fearless in face of his illness

D．is interested in science because of his illness

A.spoken

B.understood

C.known

D.taken

What can be inferred from paragraph 1 about the Icelandic sagas？

A．They were not known outside of Iceland．

B．They were originally told in the form. of songs．

C．They may not be historically accurate．

D．They inspired Leif Eriksson to explore Vinland．

It can be inferred from the passage that when a 7-month baby calls his mother "mama"

A．he probably has already known the meaning of mama

B．he probably has known that mother should be called in this way

C．he probably does not know the sound stands for mother

D．it is the first meaningful sound pronounced by him

It can be known from the passage that ______.

A．most people think white people are Europeans

B．there are many Africans and Asians living in Europe

C．white men are Europeans in the eyes of Africans and Asians

D．the British people think of themselves as Europeans

From the passage we can learn that______．

A．no one had ever known the desert before the miners

B．it's still not easy to travel across the desert

C．people can find gas-stations, cafes and hotels in the desert

D．people have changed the natural sight of the desert

It can be learned from the second paragraph of the text that______.

A．triathlon is a fast-growing sport in UK

B．Britain used to be barely known

C．triathlon is a prestigious race in USA

D．Hawaii used to be a spot of pains

What can be inferred from the passage？

A．The influenza could not be cured by any known medicine.

B．The people who got the disease were doomed to death.

C．The “Asian” flu first broke out in Singapore.

D．China did not take the influenza seriously.

A．it is the first meaningful sound pronounced by him

B．he probably has already known the meaning of mama

C．he probably does not know the sound stands for "mother"

D．he probably has known that mother should be called in this way

It can be known from the text that relatives of patients usually_______．

A.put excessive emphasis on medical treatment

B.have a good understanding of medical treatment

C.have a deep faith in doctors’professional advice

D.can not think rationally when it comes to saving their loved ones’lives

What can you learn from the story？

A．Jim and he lost in touch since graduation from high school.

B．Jim and he have known each other since high school days.

C．Jim and he won't keep in touch in the future.