更多"The main purpose of these researche"的相关试题:
[单项选择]The main purpose of these researchers is
A. to help to destroy old cells and boost new ones.
B. to alter the natural process known as apoptosis.
C. to compare different levels of proteins.
D. to find out ways to protect aging brain cells.
[单项选择]What is the author's main purpose
[单项选择]What is the main purpose of the conversation
[单项选择]What is the main purpose of this passage
A. To look back to the early days of this passage.
B. To explain what technical problems may occur with computers.
C. To discourage unnecessary investment in computers.
D. To warn against a mentally lazy attitude towards computers.
[单项选择]What is the main purpose of the talk
[单项选择]The main purpose of the employee appraisal system is to ______.
[单项选择]What is the main purpose of the passage
A. To outline contrasting types of economic systems.
B. To explain the science of economics.
C. To argue for the superiority of one economic system.
D. To compare barter and money-exchange markets.
[单项选择]What is the main purpose of the tour