（）又称为原子能反应堆或反应堆，是能维持可控自持链式核裂变反应，以实现核能利用的装置。
A. 堆芯
B. 核反应堆
C. 核材料
D. 原子能
查看答案
核电厂除了正常供电系统外，还设置有应急电源，由数台（）发电机组和相应的供电系统组成。
A. 煤炭
B. 风能
C. 柴油
D. 潮汐
What are supporting details?
A. Supporting details consist of the additional information the author provides so readers can understand the main idea completely.
B. The function of details states or suggests the main idea of a paragraph.
C. A.Supporting details are sometimes at the beginning of aparagraph.
冠状动脉粥样硬化最好发的部位是
A. 左冠状动脉前降支
B. 右冠状动脉主干
C. 左冠状动脉主干
D. 左冠状动脉旋支
E. 冠状动脉后降支
Peter sent his résumé to many companies and he answered many Internet postings. Now he is waiting for someone to call him about a job. According to Bolles, Peter is .
A. making a mistake
B. doing the right thing
微信支付 
支付宝支付