Scientists are studying the body’s _____ for controlling weight.

Through which character of the brain did the scientists study the brain？

A．The brainwave pattern.

B．The EEG.

C．The right frontal cortex.

D．The transformational thought.

To study animal emotions, scientists should

A．set up improved and refined skillful experiments.

B．analyze human emotional.

C．distinguish what is emotional and what is conditioned.

D．learn from animal behaviorists.

A、To show that the animal language is different.

B、To prove that animals do speak languages.

C、To convince us that the study about animal language is important.

D、To show that these scientists are very famous.

A.change

B.convert

C.shift

D.transform

32 Scientists study how photosynthesis works because they want to_____.

A improve the efficiency of it.

B turn plant sugars to a new form. of energy.

C get more sugars and starches from plants.

D make green plants a new source of energy.

The material in the passage could best be used in an argument for ______.

A．increased funding for research on amorphous materials

B．further study of the history of silicon crystals

C．increased reliance on solar energy

D．training more scientists to study energy problems

The article (attracted)(considerate) interest from scientists (who) study (physics).