某经销商采用GB/T2828.1对某类袋装食品进行抽样验收，规定N=150，检验水

可用于肿瘤非特异性显像（）

A．^99mTc-MIBI

B．¹³¹I-MIBG

C．¹¹C-QNB

D．^99mTC-HL91

E．¹¹C-MET

—How many hours does the boss make the workers       a day?

—About ten hours.[ ]

A. work          

B. to work            

C. working            

D. worked

（2007，68）根据《2000年国际贸易术语解释通则》，CIF贸易术语适用于（ ）。

A．陆上运输

B．海运

C．内河运输

D．多式联运

Which of the following is true of world steel production

A．The steel industry still has a bright prospect on a global scene.

B．Steel consumption in the world registered a drastic cut.

C．Steel makers are drastically cutting down their production.

D．Better promotion is needed for improving sales of steel products.