在Excel中，点击排序对话框中的“选项…”按钮，在弹出的“排序选项”对话框中（）。

某同学用图1电路图研究小灯泡（2.5V）的伏安特性曲线．采用器材有：直流电源（3V，内阻不计）；电流表A₁（0～3A）；电流表A₂（0～0.6A）；电压表（0～3V）；滑动变阻器；开关、导线等．

（1）为减小测量误差，电流表应选用______（填“A₁”或“A₂”）．

（2）根据实验原理图补充完成实物图2中的连线．

（3）下表记录的是实验测得的数据，其中第8次实验测得的电压表（U）、电流表（I）的示数如图3，请把3中电压表、电流表示数填入表中的空格处．

（4）分析表中数据可知，第______次记录的电流表的示数有较大误差．小灯泡的电阻随电流的增大而______（填“增大”或“减小”）．小灯泡的额定功率为______w（保留2位有效数字）．

通常来说，金融期货可分为（）。

A.黄金期货

B.外汇期货

C.利率期货

D.股票指数期货

One who watches TV often feels that whatever (11) in the film could well happen to him. At her friend’s, Jane had been enjoying a spy film in which a young girl had been followed and murdered. Now she was walking to the station, feeling a little (12) . She took the train back to the center of the city where there were lots of people, and she felt much safer. She thought of nothing until she found a man nearby staring at her. Feeling very (13) she got out of the train and went to the bus stop. (14) had she taken a seat than she found herself still followed. After getting off, she heard footsteps behind her but dared not turn round before she felt a hand on her shoulder and heard a pleasant voice "I’d apologize if I frightened you. I’m your new neighbor. I thought I (15) you in train, but I wasn’t so sure.\

下列发生基底细胞液化变性的疾病是（）

A.白斑

B.白色水肿

C.扁平苔藓

D.红斑

E.类天疱疮

正常红细胞的平均直径为（）

A.6.0μm

B.7.2μm

C.6.2μm

D.8.2μm

E.9.0μm