问题：
[单选] 下列关于臂丛的叙述，正确的是（ ）
下列关于臂丛的叙述，正确的是（ ）
问题：
[单选] 下列关于各类血管功能特点的叙述，正确的是（ ）
下列关于各类血管功能特点的叙述，正确的是（ ）
问题：
[单选,材料题] How would you describe Sequoyah?
How would you describe Sequoyah?
问题：
[单选] There is not much time left for you to cover everythin9，you’dBetter__________unimportant poin
There is not much time left for you to cover everythin9，you’dBetter__________unimportant points．
问题：
[单选] My sister has__________friends at school．But she has__________good friends．
My sister has__________friends at school．But she has__________good friends．
问题：
[单选] To my great surprise the food was still on the table，__________．
To my great surprise the food was still on the table，__________．
A . bufret
B . indicate
C . market
D . product
问题：
[单选] 一次神经冲动，自神经向骨骼肌传递时（ ）
一次神经冲动，自神经向骨骼肌传递时（ ）
