河流于支流及()等组成的水流系统,称为水系、河系或河网。
A.池塘
B.水井
C.湖泊
D.地下暗河
参考答案:C
阅读短文,判断对(√)错(×)。
This is the twins' (双胞胎) bedroom. It isn't big, but it is very nice. The two beds look the same (一样).
This bed is Lily's and that bed is Lucy's. The twins have one desk and two chairs. Their clock, books and
pencil cases are on the desk. There are some flowers on the desk. There is a family photo (照片) on the wall.
Can you see a kite? Yes, it is under Lily's bed.
( ) 1. The twins are in different (不同的) rooms.
( ) 2. We can see a kite under Lily's bed.
( ) 3. There are some flowers on the desk.
( ) 4. They have a TV in the room.
( ) 5. The family photo is on the wall.
社会公正不是人们头脑中凭空产生的抽象概念,而是随着社会发展而发展的。在不同的历史条件下,人们对社会公正的认识是不同的。恩格斯曾精辟地指出:“希腊人和罗马人认为奴隶制度是公平的。1789年资产者的公平要求废除封建制度,因为据说它不公平……所以,关于永恒公平的观念不仅因时因地而变,甚至也因人而异。” 这段文字说明( )。
A.社会公正是具体的 B.社会公正是历史的C.社会公正是相对的 D.社会公正是有阶级性的