单词拼写
He's trying to i________ (说明) that there are things that we can't really know in a scientific way but we can glimpse.   
They may ________ (申请) to join the organization.   
Since 1978 our country has been adopting the opening and ________ (改革) policy.
It ________ (想起) me that he's right a tough nut to crack. 
Turkin tapped him on the shoulder. "Sorry to________ (插话) , Colonel."   
Many people feared that the governor would use the troops to________(逮捕) the leaders.   
Test 1 will be a week from________(星期三) , and I will say something about that later in the week.  
His ________(志向) is to sail around the world.  
It was not surprising that the North showed little ________(同情心) when the fighting stopped and the South lay in ruins.  
He is ________(年纪轻的) to me by two years.