《国际民用航空条约》规定各缔约国可在其领空行使哪些主权？
查看答案
The basic content of Lamarcks theory lies in______.
A. descendants" inheritance of certain traits
B. overthrowing the evolutionary theory of Darwin
C. environment"s biological consequences
D. the change of gene sequences
By mentioning obesity epidemic, the author intends to______.
A. state the seriousness of this problem
B. prove the influence of Lamarck"s theory on people"s health
C. demonstrate experts still cannot figure out the reason for it
D. explain the genetic cause that lies in it
According to the passage, which of the following is true about Lamarcks theory？
A. No one"s arguing about the validity of it.
B. It is called the new Lamarckism by some.
C. Some part of it has been proved reasonable.
D. It helps understand the causes of diseases.
According to the author, infants learn the meanings of words through______.
A. hearing words repeatedly
B. the association of words and actions
C. their mother"s love
D. a bath of physical sensations
微信支付 
支付宝支付