发色底物法检测抗凝血酶(AT)活性是在血浆中加入过量的______________，使AT与__________形成复合物，剩余的______作用于发色底物，显色深浅与AT呈负相关。
某人作白细胞计数．用RCS法进行考核，四个大格数分别为56、68、72和60，此结果______。
Her wish was that he __________ at Beijing University at once.
The firm has identified 60 ___________________ (potentially) customers at home and abroad.
Be _________ at all times.
Can you book a room at 12 floor and ______ at 14 floor?
Helen ____ at a wedding at the weekend.
The job would require that he _______ at the laboratory at 8 every morning.
They want at least _______ salaries.
In CIF the risk passes at _______ while the costs are transferred at _________.
____ hands clean prevents illness at home, at school, and at work.
I usually ____ up at 6:00, but yesterday I ______ up at 7:00 and tomorrow I _________ up at 6:30. (get)
4.Teachers at our university ________to publish at leasttwo research papers each year.
？AT（“+”，“1+2=3”) ______
______finished his work, he had to stay at home at the weekend.
命令函数.？AT（）和.？AT（）结果的差值为________。
annoy at hand get ahead feel free to pay new to tend to make time perfect for at （） most Please ____________ look around and make yourself at home.
When air is at its dew point it is at its______.
I usually have ____ lunch at home but yesterday I had ____ good lunch at that restaurant
Henry can't attend the party ______ at Tom's house at present because he is preparing the speech at the party ______ at Marie's house tomorrow.
They saw a new movie at the theatre, ________ they had dinner at a Chinese restaurant.
Mark Twain_______at a porter.
Do you often go to see a film at weekends？Do you often go to ____________________ at weekends？
60kg/m钢轨9号道岔AT曲线型尖轨侧向过岔最高速度为__km/h
