下列选项中，属于有限合伙人当然退伙的有( )。 A．作为合伙人的自然人死亡或依法被

"Indeed," George Washington wrote in his diary in 1785, "some kind of fly, or bug, had begun to eat the leaves before I left home." But the father of America was not the father of bug. When Washington wrote that, Englishmen hade been referring to insects as bugs for more than a century, and Americans had already created lightning-bug(萤火虫). But the English were soon to stop using the bugs in their language, leaving it to the Americans to call a bug a bug in the nineteenth and twentieth centuries.

　　The American bug could also be a person, referring to someone who was crazy about a particular activity. Although fan became the usual term, sports fans used to be called racing bugs, baseball bugs, and the like.

　　Or the bug could be a small machine or object, for example, a bug-shaped car. The bug could also be a burglar alarm, from which comes the expression to bug, that is, "to install (安装) an alarm". Now it means a small piece of equipment that people use for listening secretly to others' conversation. Since the 1840s, to bug has long meant "to cheat", and since the 1940s it has been annoying.

　　We also know the bug as a flaw in a computer program or other design. That meaning dates back to the time of Thomas Edison. In 1878 he explained bugs as "little problems and difficulties" that required months of study and labor to overcome in developing a successful product. In 1889 it was recorded that Edison "had been up the two previous nights discovering 'a bug' in his invented record player."

小题1:We learn from Paragraph 1 that __________________.

A．Americans had difficulty in learning to use the word bug

B．George Washington was the first person to call an insect a bug

C．the word bug was still popularly used in English in the nineteenth century

D．both Englishman and Americans used the word bug in the eighteenth century小题2:What does the word "flaw" in the last paragraph probably mean?

A．Fault.

B．Finding.

C．Origin.

D．Explanation.小题3:The passage is mainly concerned with__________________.

A．the misunderstanding of the word bug

B．the development of the word bug

C．the public views of the word bug

D．the special characteristics of the word bug

采煤面截割机构在正常工作时，大约消耗整机功率的（）

A．50%

B．60%

C．80%

下列实验能达到实验目的且符合安全要求的是 [ ]

A.制备氢氧化亚铁并观察其颜色

B.收集氧气

C.制备氢气并检验其可燃性

D.浓硫酸稀释

非毒性甲状腺肿患者血液中哪种激素水平升高()

A．T3，T4

B．TSH

C．PRL

D．ADH

E．GH

女性，30岁，2年前产一死婴，夜间饮水量明显少于白天，月经正常，无消瘦或 * * 萎缩，入院后对主动限水耐受性好，禁水试验尿比重达1．018，CT检查未见垂体或鞍区异常，最可能的诊断是（　　）

A．席汉病

B．颅咽管瘤

C．完全性尿崩

D．部分性尿崩

E．精神性多饮