[1] Pilots and malfunction in the plane’s equipment are the primary cause of many deadly** aircraft accidents. [2] Firstly, when pilots ignore their responsibilities, many of them fail to perform their duties efficiently, and tragedy has too often been the needless result. [3] , many fatal accidents have occurred because pilots failed to listen to the advice of air traffic controllers who were in a position to warn them** about impending disasters. [4] In addition, pilots are sometimes overtired, and they neglect to take the precautions necessary to avoid accidents. [5] They may even be taking drugs that slow down their physical reactions. [6] , to avoid aircraft accidents, pilots must be extremely intelligent and alert. [7] As we all know, statistics indicate that many college students abuse drugs, and these students should realize that if they continue to use drugs they will never enter careers such as aviation. [8] , sometimes accidents occur through a malfunction in the plane's equipment. [9] Pilots, of course, aren’t responsible for accidents such as these. 1)Choose the correct transition to complete sentence 3. *
Moreover
For example
However
Thus

2)What word is used as a synonym for the word 'deadly' (sentence 1) in the above paragraph? *
disaster
fatal
malfunction
precautions

3)Choose the irrelevant sentence. *
Sentence 4
Sentence 5
Sentence 7
Sentence 9

4)What does the pronoun 'them' in sentence 3 refer to? *
air controllers
travelers
college students
pilots

5)Choose the correct transition to complete sentence 8. *
Finally
On the other hand
Moreover
In conclusion

6)The spot where supporting details are needed occurs after . *
Sentence 5
Sentence 6
Sentence 7
Sentence 8

7)Choose the correct transition to complete sentence 6. *
Besides
For instance
Therefore
In conclusion