[单项选择]The salmon spends its adult life in rivers and seas, but ______ .
A. its eggs are laid in streams
B. it lays its eggs in streams
C. in streams are laid its eggs
D. laid in streams are the eggs

[单项选择]The salmon spends its adult life in rivers and seas, but ______ .
A. its eggs are laid in streams
B. it lays its eggs in streams
C. in streams are laid its eggs
D. laid in streams are the eggs

[单项选择]Throughout his early adult life he passed from one religious system to another, unable to________ lasting spiritual satisfaction from any.


A. derive
B. detach
C. deduce
D. deprive

[单项选择]______ a car reaches the end of its life, it is taken apart and any part that can be reused is sold off.


A. As
B. With
C. Once
D. While

[单项选择]What can we learn about rivers in Australia


A. Rivers run higher than usual.
B. Rivers have run out of water.
C. Rivers cause little damage.
D. Every year rivers overflow.

[单项选择]

Passage Five
From the beginning rivers have played an important part in the life of man. Man of the earliest times used the rivers as a means of travel. Today rivers still serve as a great waterway for the transport and people.
In ancient times, man settled near rivers or on river banks and built up large empires.
Water is Nature’s most precious gift to man. Man needs water to irrigate his crops, to cook and to wash. In nations all over the world rivers mean life and wealth. They feed and clothe the nations around them.
Water is also a source of energy and power. Man constructs huge dams across the river to control the water for irrigation and get the energy needed to drive generators. The electrical power is then directed to homes, cities, factories and television stations.
Man uses water each day. His main source of water comes from reservoirs, which in turn get their water from the rivers.
Rivers also bring down soil
A. since the last century
B. for a very long time
C. since a few hundred years ago
D. since a few years ago