[单项选择]The boys usually helped their teacher after their lessons were over.

[单项选择]The teacher reminds the boys ______late for the meeting.


A. not be
B. to be
C. not to be

[单项选择]The boys' teacher was going to open a new library in the school.

[单项选择]After children have helped to set the table with impressive accuracy, they ________.


A. are able to help parents serve dishes
B. tend to do more complicated housework
C. are able to figure out the total pieces
D. can enter a second-grade mathematics class

[单项选择]The teacher, with 6 girls and 8 boys of her class,（） visiting a museum when the earthquake struck.
A. was
B. were
C. had been
D. would be

[单项选择]John Hanson helped draft instructions far Maryland's delegates to the Stamp Act Congress.
A. clarify
B. formulate
C. revise
D. contribute

[单项选择]According to the passage, the cattle helped promote the growth of the wild grasses by


A. stepping on and pressing the seed into the ground
B. naturally fertilizing the soil
C. continually moving from one grazing area to another
D. eating only small quantities of grass

[单项选择]Soap operas have helped in lowering Brazil's birth rate because ______.

[单项选择]The ant and the bird always helped each other.

[单项选择]It Mike and Mary who helped the old man several days ago.


A. was
B. are
C. were
D. had been

[单项选择]A scientist usually directs his attention towards problems which he notices have no satisfactory explanation, and his curiosity makes him look for______ relationship even if the data available seem to be unconnected.


A. underlining
B. underneath
C. undergoing
D. underlying

[单项选择]American university student are usually under pressure of work because ______.

[单项选择]

Text 2
The U.S. government has recently helped people learn more about the dangers of earthquakes by publishing a map. This map shows the chances of an earthquake in each part of the country. The areas of the map where earthquakes are most likely to occur are called earth quake "belts" where government is spending a great deal of money and is working hard to help discover the answer to these two questions;
1. Can we predict earthquakes
2. Can we control earthquakes
To answer the first question, scientists are looking very closely at the most active fault(断层) systems in the country, such as the San Andreas fault in California. A fault is a. break between two sections of the earth’ s surface. These breaks .between sections are the places where earthquakes occur. Scientists look at the faults for changes, which might show that an earthquake was about to occur. But it will probably be many years before we can predict earthquakes
A. They occur at about 4,000 meters below ground level.
B. The injection of water into earthquake faults prevents earthquakes from occurring.
C. They are usually caused by the oil in the faults.
D. Harmful earthquakes can be possibly prevented by causing small, harmless earthquakes.

[单项选择]The foreign teacher readily accepted his students' invitation to go for a picnic.（）
A. willingly
B. reluctantly
C. eagerly
D. entirely

[单项选择]The teacher notified us that the examination would be held in ______.