中东大部分地区属于[ ]
A、温带大陆性气候
B、热带草原气候
C、热带沙漠气候
D、地中海气候
答案：C
视网膜捕获光线并将微量的光能转化为神经反应的部位是
A．色素上皮层
B．光感受器外节
C．光感受器内节
D．视网膜外核层
E．视网膜双极细胞
The boy broke the rule ______ he got punished.
A．so that
B．in order that
C．so as to
D．in order to
