In the following sentence, which is the ultimate cause？Sally prepared extensively for a meeting with an important client, impressed the client, and therefore made a very large sale（）

Which of the following is the ultimate reason for the decline of tropical rain forests？

A．Unfavorable climate.

B．Human abuse of forests.

C．Increase in the temperature.

D．Unusual rainfalls.

Which of the following is the ultimate reason for the decline of tropical rain forests？

A．Unfavorable climate.

B．Human abuse of forests.

C．Increase in the temperature.

D．Unusual rainfalls.

Which of the following is an ultimate constituent？

A．A dog.

B．Have a rest.

C．Red apple.

D．I.

Which of the following is about the rules of the sentence structures？

A.Phonology

B.Morphology

C.Syntax

D.Semantics

A．testosterone

B．androgen

C．estrogen

D．dihydrotestosterone (DHT)

The word "population" in sentence 3 is closest in meaning to which of the following？

A．species

B．people

C．inhabitants

D．set

Which of the following contributes most to a person's ultimate happiness？

A．To be highly paid for his or her work.

B．To be able to work consistently towards a goal.

C．To have the best kind of job.

D．To be able to build up a good reputation.

In a sentence, which of the following is usually NOT stressed？

A．Nouns.

B．Verbs.

C．Prepositions.

D．Adjectives.

In the last sentence of the third passage, to which of the following does "it" refer？

A．Yellow "hump".

B．Day.

C．Sun.

D．Hydrogen fuel.