As the world’s population continues to grow，the ________ of food becomes more and more of a concern.                                                        (2013·浙江，4)

A．worth

B．supply

C．package

D．list

根据临床表现考虑该患者类风湿关节炎处于活动期，下列哪项化验检查结果不符合

A．急性时相蛋白升高

B．血小板数量升高

C．免疫球蛋白降低

D．多数患者补体水平正常或增高

E．IgM型RF水平增高