下列调查不宜作普查的是（ ） A．调查某批电视机在运输过程中的破损情况 B．调查

在局域网中，常用的介质访问控制方法CSMA/CD、令牌总线和令牌环、IEEE 802.4标准采用上 (11) 媒体访问控制方法，IEEE 802.5标准采用 (12) 媒体访问控制方法。其中， (13) 介质访问控制方法对最短帧长度有要求。假设这种网络的传输速率为10Mb/s，信号在介质上的传播速度为200m/μs，总线的最大长度是1000m，则只考虑数据帧而不考虑其他因素，数据帧最短应该是 (14) 比特。一个10 Mb/s的令牌环，其令牌保持计数器的设置值为 10μs，在此环上可发送的最长帧为 (15) 位。

A．Token Bus

B．Token Ring

C．CSMA

D．CSMA/CD

因为1m²=100dm²、1dm²=100cm²，所以1m²=100cm²______．

苯丙酮尿症新生儿期筛查试验

A．尿三氯化铁试验
B．尿蝶呤分析
C．染色体分析
D．血清铜蓝蛋白测定
E．uthrie试验

硫磺回收的意义是什么？

Beyond question, Clinton was supposed to close up, stay out of sight, and avoid second- guessing his wife’s boss. After his ego blustered into oncoming traffic during Hillary’s heated primary race (1) Obama, the nation suffered from yet another turn of Clinton fatigue.

(2) this week Bill Clinton showed an instinct for robust, inclusive leadership that the (3) White House occupant could make good use of right for the time being. With President Obama struggling to (4) the political damage from the Gulf oil spill, Clinton not only can’t help himself—he’s worth being listened.

The conventional-wisdom (5) on President Obama’s early reaction to the spill was (6) he didn’t emote enough. He didn’t feel the (7) of all those people in the crisis whose livelihood would be destroyed, whose clean waters and wildlife would be (8) in black gunk.

Clinton considers this is an unfair (9) but offers a different—and more pointed— lesson to his young successor. "I think we ought to (10) in the same boat for a while... Let’s just (11) the problem, and then we can hold everybody responsible and emote or not emote, " Clinton conversed (12) CNN Anchor Wolf Blitzer.

Obama’s first (13) after the oil spill was to "feel the blame" rather than "feel the pain, " which are pretty sarcastic words as it were. No one intends to let British Petroleum (BP) management (14) the hook—for dangerously cutting corners, and for a (15) safety record. However, the President’s (16) focus on scolding BP consumed (17) White House energy while the oil gushed.

Great leaders don’t rush to criticise; Instead they instinctively (18) solutions. Rudy Giuliani, who didn’t stop to blame (19) intelligence for letting it happen, stood out from New York mayor with a girlfriend problem to 9/11 hero when he took control of a crisis and instilled confidence that a ravaged city could (20) beyond a terrorist attack.

10（）

A.row

B.travel

C.go

D.sit