【单选题】You ______ him out though you were very busy.
【单选题】Though they are very busy every day, they manage to get tighter_______.
【单选题】Though it was very hot, the farmers were busy ______ wheat in the fields.
【单选题】Though it is very hot, I am busy writing materials for my students, only ____ once in a while to have some water. [ ]
【单选题】在用佛尔哈德法测定I - 时,下列说法不正确的是()。
A.
先加入过量AgNO 3 ,再加入铁铵矾指示剂
D.
强氧化剂、氮的低价氧化物以及铜盐、汞盐等能与SCN - 作用而干扰测定
【判断题】佛尔哈德法中,强氧化剂、氮的氧化物、铜盐、汞盐均可与SCN-作用而干扰。
【单选题】Though the working mother is very busy, she _____ an hour every day to spend with her daughter.
【单选题】Though the manager is very busy, he still ____ an hour to read every day. [ ]
【单选题】Though he is busy, he is very _____ and makes a telephone call to his parents from time to time and tries his best to spare some time to visit them.
【判断题】智能珠宝,即是将珠宝与智能芯片结合的穿戴式智能设备,它是无法表达和传递情感的首饰。