下列化学方程式书写正确的是 A．4P + 5O2↑2P2O5 B．4Fe + 3

甲和乙两家企业约定，如果甲新建厂房能于2009年10月前竣工，就把原来的厂房于当年10月中旬租给乙。这是属于附条件的合同。( )

有关甲状腺功能的描述错误的是 （）

A.甲状腺的功能受下丘脑分泌的促甲状腺激素的调节和控制

B.甲状腺激素的作用是促进机体的新陈代谢，维持机体的正常生长发育

C.对骨骼和神经系统的发育影响更大，故甲状腺功能低下或亢进时，均可导致机体的生长发育异常

D.位于甲状腺滤泡细胞与滤泡基膜之间的细胞称为C细胞或滤泡旁细胞，它分泌降钙素（一种多肽激素），有抑制破骨细胞溶解骨质及减少钙从骨转移入血、调节血钙水平的作用

E.降钙素作为神经介质之一，对垂体有调节和兴奋作用

补写出下列名句名篇中的空缺部分。 (任选3句，多选则按前3题计分。6分)

(1)不抚壮而弃秽兮，何不改乎此度？                    ，                      。

（屈原《离骚》）

(2)白露横江，水光接天。                ，                。（苏轼《赤壁赋》）

(3)冰泉冷涩弦凝绝，凝绝不通声暂歇。                     ，                  。

（白居易《琵琶行》）

(4)                      ，                     。无为在歧路，儿女共沾巾！

（王勃《送杜少府之任蜀州》）

Canada 4:00 a.m. to 8:00 a.m.

Canada is a big country with six time zones. In the west, it is four a.m., and everyone is asleep, but in Halifax on the east coast it is eight o'clock and people are having breakfast. It is a cold Friday morning in November, and the temperature is ten degrees below zero Centigrade.

Argentina 9:00 a.m.

In Buenos Aires, the capital of Argentina, it is nine a.m. on a warm summer morning, and people are starting work or school. November is a summer month in Argentina because it is in the southern hemisphere（南半球）.

Scotland 12:00 noon

Scotland is part of the United Kingdom. The capital of Scotland is Edinburgh, and the capital of the UK is London. It is twelve noon, or midday, in Edinburgh. Children are having lessons, but they are looking forward to the weekend because there is no school on Saturday and Sunday.

Egypt 2:00 p.m.

Friday is already the weekend in Egypt. Friday is a special day for Muslims, so schools, offices and shops are closed in all Arab countries. So now, at two p.m., most people in Egypt are having lunch with their families.

Japan 9:00 p.m.

Japan is seven hours ahead of Egypt, so it is already Friday evening there. The weekend is beginning. Most people are out with friends or watching television or playing computer games.

New Zealand 12:00 midnight

It is late on Friday night, so most people are asleep. Now Saturday morning is arriving. It is morning in Canada too, but that is Friday morning!

小题1:In eastern Canada, the time is _____ that in western Canada.

A．four and a half hours behind

B．four hours ahead of

C．three hours ahead of

D．the same as小题2:While Canadian children in Halifax are having breakfast, Argentinean children are _____.

A．sleeping

B．going home

C．at school

D．having supper小题3:It’s midday in the capital of _____ when it's 9:00 a.m. in the capital of Argentina.

A．Japan

B．Canada

C．New Zealand

D．Scotland小题4:Two p.m. in Egypt is not a good time to telephone people in New Zealand, because in New Zealand _____.

A．it’s midnight and most people are asleep

B．it’s noon and many people are having lunch

C．it’s the morning and many people are working

D．it’s the afternoon and most people are playing computer games小题5:What time is it in New Zealand if it's 11:15 p.m. in Japan?

A．1:15 p.m.

B．2:15 p.m.

C．1:15 a.m.

D．2:15 a.m.

与普通光源相比，激光的优点是速度快、单色性和方向性强。（　 ）