GRAMMAR SKILLS

Exercise #39
Combine the following sentences by first using a gerund, then an infinitive, and finally it in the subjects position. The first one is done for you. 
1. She takes a math course every semester. This is difficult. 
a.Taking a math course every semester is difficult.
b. To take a math course every semester is difficult.
c. It is difficult to take a math course every semester. 

2. During the semester, she goes to class every day. This is a good idea. 
a. Going to class every day during the semester is a good idea. 
b. To take a class every day during the semester is a good idea.
c. It's a good idea to take a class every day during the semester. 

3.She takes notes as the professor does the sample problem on the board. This is useful.  
a. Taking notes as the professor dose the sample problem on the board  is useful.
b. To take notes as the professor does the sample problem on the board is useful.
c. It is useful to take notes as the professor does the sample problem on the board.

4.She does the homework problems regularly. This takes time. 
a.Doing  the homework problem regularly takes time.
b.To do the homework problems regularly takes time. 
c. It takes time to do the homework problems regularly. 

5.She turns the homework in every day. This gives her a sense of satisfaction.
a.Turning the homework in every day gives her a sense of satisfaction. 
b.To turn the homework in every day gives her a sense of satisfaction. 
c. It gives her a sense of satisfaction to turn the homework in every day. 

6.She gets good grades. This is the beet reward. 
a.Getting good grades is the best reward. 
b.To get good grades is the best reward. 
c. It's  the best reward to get good grades.

Exercise #38
Combine the two sentences in each item by using the correlative conjunction given.

1- Both Physics and Chemistry are classified as a physical science. 

2-We cannot classify neither mathematics as a biological science nor psychology as a physical science.

3-Botany and zoology are normally not only considered biological sciences but also generally requirements for a B.S degree.

4-All liberal arts majors have to either take two physical science courses or take two biological science courses. 

5-In order to graduate, all students in collage not only must take certain required courses but also some electives. 

Exercise 25   
Answer each of the following questions with to complete sentences. Write one sentence with in order to+an infinitives and the other with so that.

1.For what purpose should you think about your intended major.
 -You should think about your intended major in order to choose a university that is well-qualified and staffed in your major.
-You should think about your intended major so that you can choose the best university with that major.

2.For what purpose should you visit different university web sites?
   -You should visit different university web sites in order to get more information before making a decision.
   -You should visit different university web sites so that you can see your options and make the best decision.

3.For what purpose should you think about your financial situation.
  -You should think about your financial situation in order know how financially stable you are.
  - You should think about your financial situation so that you can take care of your future family.

4.For what purpose should you find out about financial aid?
  -You should think about your financial aid in order to know how it can help you.
   -You should think about your financial aid so that you will have a better knowledge of the future.

5.For what purpose should you find out about part-time jobs?
   -You should find out about your part-time jobs in order see what they can offer you.
   -You should find out about your part-time jobs so that you can make the decision in which one you want to work at.
 
Exercise #26
Following are four reasons for linking the study of biology. Write a sentence for each of the transitions given.


1. Biology systematically classifies living things.
 
because of- I like the study of biology because of  it's systematic classifications of living things.
 
so- I would like to study Biology so could learn to systematically classify living things.
 
thus- Biology systematically classifies living thing thus, giving them a scientific name. .

2. Biology explains the characteristics of living things.

because of
- Because of the different things at are in the world Biology explains the characteristics
of the living things.  
for- Biology explains the characteristics of living things  for the better understating of things. 

therefore- The world is a big plaice therefore Biology is the science that explains the characteristics of living things.

 3. Biology explains the interdependence of the living thing.

so- Biology explains the interdependence of the living things so we can understand the different types of species in this world.


as a result- Biology explains the interdependence of the living things as a result
society is able to understand the world.

since- Since Biology explains the interdependence of the living things we
identify each species.

4.Biology encourages curiosity and research.


consequently- Biology encourages curiosity and research,consequently some people don't
like it.

for this reason- Biology encourages curiosity and research for this reason
it is a great tool to find and discover new things.

because- Biology encourages curiosity and research because you are able to use different tools to create what your mind tells you. 

Exercise 2
  Word partners: Use the information in the word partnership boxes to complete the sentences in the paragraph.
Heart disease is the number one killer of both men and women in the United States and in many other countries. To reduce the chance of having a heart attack it is important yo know the (1) risk  factors and eliminate any that you can.Two (2) deciding factors, age and family history, although they are very important, cannot be changed. However, other (3) key  factors that add to your risk can be changed. these includes your weight diet and level of activity. First there appears to be a (4)vital link between a persons weight and heart health. If a person is overweight his or her heart must work harder to deliver blood to all the parts of the body. Researches have also (5) establish  a strong link between diet and heart health. For example eating foods like oatmeal,fish,nuts, and olive oil can lower cholesterol that might block an artery. Perhaps the most (6) crucial factor is one's level of activity. Even moderate activity like walking the dog or gardening can be a(7) crucial Factor in how long a person will live. People hoe add more activity to their life style almost always (8) Find a link between their increased activity and a better mood,higher energy level,and even weight lost.





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