法人分支机构

某同学指出：在用伏安法测量电阻值的实验中，连接电路时，必须注意下列几点，你认为其中不必要的一条是：[ ]

A、向电路中连接变阻器时，应该使滑片位于变阻器阻值最大位置

B、向电路中连接开关时，应该先将开关打开

C、开关应该接在靠近电源电流流出的一端

D、电压表应与待测电阻并联，电流表应与待测电阻串联

下面句中划线成语运用不恰当的一项是[ ]

A．人类已经从一些不大为人所知的生物品种那里受益匪浅。

B．200多年来，世界各国数以万计的探险家、科学家不畏冰山阻挡，不畏风暴严寒，前仆后继地奔赴南极，进行科学考察。

C．改革开放以来，祖国面貌的变化可谓是指日可待。

D．书读多了，耳濡目染，写起文章来便会得心应手。

如图所示，两个相邻的有界匀强磁场区，方向相反且垂直纸面，磁感应强度的大小均为B，以磁场区左边界为y轴建立坐标系，磁场区在y轴方向足够长，在x轴方向宽度均为a。矩形导线框ABCD的CD边与y轴重合，AD边长为a。线框从图示位置水平向右穿过两磁场区域，且线框平面始终保持与磁场垂直，线框中感应电流i与线框移动距离x的关系图象正确的下图中的（以逆时针方向为电流的正方向）

[ ]

A．

B．

C．

D．

下列哪一项不是桥基牙必须具备的条件（）

A.形态发育正常

B.牙槽骨健康

C.活髓

D.牙体组织结构正常

E.足够的牙体组织

Part 4

Questions 26-45

·Read the following passage and choose the best word for each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.
Do you want to send an e-mail message to the White House
Good luck.
In the past, (26) President Bush — or at least those assigned to read his mail — what was (27) your mind it was necessary only to sit down at a personal computer connected to the lnternet and (28) a note to president@ whitehouse.gov.
But this week, Tom Matzzie, an online organizer with the A.F.L.-C.I.O., discovered that (29) with the White House had become a bit more (30) . When Mr. Matzzie sent an e-mail protesting (31) a Bush administration policy, the message was bounced back With an automated reply, saying he had to send it again in a new way.
Under a system (32) on the White House Website (33) the first time last week, those who want to send a message to President Bush must now (34) as many as nine Web pages and (35) a detailed form that starts by asking whether the message sender supports White House policy (36) differs with it.
The white House says the new e-mail system is an effort to be more responsive (37) the public and offer the administration "real time" access (38) citizen comments.
Completing a message to the president also requires (39) a subject from the provided list, then entering a full name, organization, address and e-mail address. (40) the message is sent, the writer must wait for an automated response (41) his message, (42) whether the addressee intended to send the message. The message is delivered to the White House only after the person using that e-mail address (43) it.
"Over (44) , it’s a very cumbersome process," said Jakob Nielsen, an authority on Web design. "It’s probably designed deliberately to (45) on their e-mail.\

A．and ask

B．ask

C．asking

D．asked