古希腊的悲剧大多属于（）。A.命运悲剧 B.性格悲剧 C.形而上悲剧

在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给。

     Reading books is a good hobby for all kinds of reasons.

     First, reading books is f   1   . You can always keep yourself amused if you like reading. This is especially

useful when the weather is bad. It is a relaxing hobby too. You can really become lost in a book.

     Next, you can read a book a  2   : in a car, in a waiting-room, on a plane, in bed - even in the bath. All you

need is a book! Reading is a convenient hobby as it is easy to stop and then start again.

      A  3    good reason for reading books is that it is useful. If you read as a hobby you will get better and

better at it. This m   4    that you will read faster and will become better at understanding what you read. As

your reading improves, you will probably find your schoolwork becomes much e   5   . Many school subjects

depend on good reading and, as you read, you learn more and more.

     Some people say that reading is out of date. This is not true. You have to be able to read to use a computer

and, the better you read, the better your computer skills will be. Reading is n   6    out of date!

      Good readers are most likely to be good writers, too. They are usually good at spelling as well, and have

more things to write about. Reading books is a wonderful hobby, one of the best.W   7    other hobby could

be more useful, or more enjoyable?

1._____ 2._____ 3._____ 4._____ 5._____ 6._____ 7._____

反应CO(g)+2H₂(g)CH₃OH(g) 过程中能量的变化如图示。下列判断正确的是

A．达到平衡时，升高温度，CO的转化率增大

B．1 mol CO(g)和2 mol H₂(g)在密闭容器中反应，达到平衡时，放出的热量为91 kJ

C．相同条件下，1 mol CO(g)和2 mol H₂(g)完全反应生成1 mol液态CH₃OH放出的热量大于91 kJ

D．反应热取决于反应物总能量与生成物总能量的相对大小，与反应发生的条件无关

下列句子中，划线成语使用恰当的一项是（  ）

张学友在遵义的个人演唱会十分成功，他的歌声美轮美奂，观众评价很高。

入夏以来，小区广场上的灯亮起来，小区的物业在广场上还增添了一些健身设施，早起或晚饭后，居民可以到小区健身或娱乐，这真是一件令人拍手称快的事。

白居易在浔阳江上倾听琵琶演奏深受感染，泪湿青衫，是与他同琵琶女同命相怜分不开的。

王老太太的两个儿子都很孝顺，每到周末，一家人欢聚一堂，沸反盈天，邻居们都很羡慕。

在高空中有一层臭氧层，它吸收了太阳光中的绝大部分的紫外线，使地球上的生物免受紫外线的伤害．臭氧的化学式是O₃，下列关于臭氧的说法正确的是（　　）

A．臭氧由3个氧元素组成

B．臭氧由3个氧原子构成

C．臭氧是单质

D．臭氧是氧化物

用国产VC400型汽车专用数字万用表测试发动机转速的范围是（）。

A.0-1000r/min

B.0-3000r/min

C.0-5000r/min

D.0-10000r/min