用于分析ETF运作效率的指标有( )。 A．融资比例 B．折(溢)价率 C．周转率

慢性淋巴细胞白血病确诊后存活期平均为

A．1～2年

B．2～3年

C．3～4年

D．4～5年

E．5～6年

物体处于平衡状态，下列说法中正确的是（　　）

A．物体可能保持静止

B．物体可能做匀速直线运动

C．物体所受合力不为零

D．物体所受合力为零

以下不属于塑料牙的特点的是（）

A.质轻、韧性好

B.不耐磨

C.与基托连接牢固

D.易老化

E.修复时需有较高的咬合间隙

以下程序的功能是计算：s=1+12+123+1234+12345。请填空。 main() {intt=0,s=0,i； for(i=1；i＜=5；i++){t=i+【 】； s=s+t；} printf("s=%d\n",s)； }

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. Heterogeneous network environments consist of computer systems from (66) vendors that run (67) operating systems and communication protocols. An organization that (68) its computer resources is usually (69) the task of integrating its heterogeneous systems. Typically, each deparlment or division has defined its own network needs (70) OS, LAN topology, communication protocols, applications, and other components.

A．same

B．similar

C．different

D．difference