According to the passage, why was the use of coke smelting advantageous?
A.It led to advances in technology
B.It was less expensive than wood smelting
C.It produced a stronger type of iron than wood smelting
D.It stimulated the demand for wood

What is the author’s opinion of bats?
A.They are dirty and they carry rabies
B.They are like the monsters in vampire films
C.They are clean, helpful members of the animal world
D.They are not very important in the animal world

According to the passage, how are bats like cats?
A.They are both carry rabies
B.Cats groom themselves, and so do bats
C.Both cats and bats eat pests
D.Bats use echolocation and cats do, too

The word “enormous” could best be replaces by .
A.Very heavy
B.Very regular
C.Very large
D.Very necessary

I am driving instructor so I have to be very as people get upset when you criticize them.
A.powerful
B.skillful
C.tactful
D.helpful

Never her stand on the deserted station platform.
A.I will forget to see
B.I will forget seeing
C.will I forget seeing
D.will I forgot seeing

If we want to live in harmony with other people, we should get rid of .
A.ideas
B.thoughts
C.prejudices
D.opinions

The project is now well .
A.in way
B.up the way
C.on way
D.under way

Jack: “I’ve got to go, Sarah. So long ”. Sarah: ”So long, Jack. And “.
A.be careful
B.don’t hurry
C.take care
D.don’t take it seriously

As you know, these data in the table concerning with pressure and temperature are going to change, following the next experiment.
A.these
B.concerning
C.are going
D.following