下面属于双特异性循环免疫复合物检测的方法是（）。 A.胰蛋白酶解离法检测HbAgD-

If I            you, I'd be here earlier. [ ]

A. was

B. were

C. am

D. be

Tom Suddenly found his girlfriend walking ________the square, so he forced his way _____the crowd to get close to her.

A．across; across

B．over; through

C．over; into

D．across; through

巨额赎回是指基金净赎回申请超过基金总份额的5%。（）

目前矫正屈光不正的有效方法包括（）

A.药物

B.理疗

C.框架眼镜、角膜接触镜、手术

D.框架眼镜、角膜接触镜

E.药物、手术

组合电源有多台（<10台）整流器并联输出，一般采用（）的方式配置。

A、N+1

B、N+2

C、N+3