根据短文内容和首字母提示完成单词。

     I have never been so e    l     in my life.Well,I had a doctor's a   2    at 10:00 yesterday morning but my clock didn't go off, so I o    3    . When I got up, my father h   4     already gone into the bathroom and I had to wait for him to come out. I had to r   5     .I ran to the bus stop w   6   breakfast, U   7   , the bus had left two minutes before I got there. By the time I got to the doctor's office, it was half an hour late. The doctor had already gone to the hospital. Then I m     8       another appointment at 1: 00 in the afternoon and went home. After h   9   lunch I started Watching TV. And then at 2:00, I suddenly r    10   I had forgotten the l:00 appointment.

1.              2.              3.              4.              5.              

6.              7.              8.              9.              10.                  

用N_A表示阿伏加德罗常数，下列的叙述正确的是(    )

A．在2 L 0.15 mol·L^-1 K₂SO₄溶液中，含有K⁺和的总数为0.9N_A

B．在标准状况下46 g NO₂含有N_A个分子

C．a g某气体含有分子数为b，则c g该气体在标准状况下的体积是22.4bc/aN_A L

D．当稀硝酸跟5.6 g Fe反应完全时，电子转移一定是0.3N_A