According to the passage, what causes Parkinson's disease？
A. The dopaminergic nerve cells are impaired by the victim cells.
B. The dopaminergic nerve cells can no longer coordinate movement.
C. There are tumors in the brain.
D. There are not enough dopaminergic neurons in the brain.
查看答案
【C1】
A. and so
B. or so
C. on so
D. so on
【C2】
A. increased
B. got
C. reduced
D. reached
Some readers, especially children, find his works among the most______books they have ever
A. captivating
B. captivated
C. capturable
D. captious
By the fifteenth century, forks were used ______ .
A. on in Constantinople
B. all over Italy
C. in England
D. by the kings and queens of Europe
微信支付 
支付宝支付