Skills 1-20

1. 1. _____ the second most common metal in the Earth’s crust, and it always occurs in combination with other substances.

• (A) Iron

• (B) Iron is
  
  

• (C) With iron

• (D) With iron is

2. 2. In most parts of the globe, the _____ not exceed roughly 31 degrees centigrade.

• (A) ocean surface

• (B) ocean has a surface

• (C) ocean surface does

• 1. (D) ocean has surfaced

3. 3. _____ which climatologists have determined is the wettest place on Earth not under water is a spot on the island of Kauai.

• (A) The place

• (B) It is the place

• (C) The place is

• (D) In the place is

Choose the letter of the underlined word or group of words that is not correct.

4. 4. A single protein molecule may being composed of tens of thousands of atoms.

• 4. single

• 4. being

• 4. composed

• 4. atoms

5. 5. Less plants grow in the poor taiga soils beneath the trees.
   
   

• 5. Less

• 5. grow

• 5. poor

• 5. beneath

4. ___ Vast reserves of oil and gas is located in the Gulf of Mexico.
          

• Vast

• oil and gas

• is

• in

7. 7. Helium is a colorless, odorless, taste element often used to inflate balloons.
   
   

• is

• taste

• used

• inflate

8. 8. The common was the heart of every New England villages built in the eighteenth century.

• common

• heart

• villages

• built

9. 9. Some of the regulations that bind U.S. institutions allows foreign banks to package loans at hard-to-beat interest rates.
   
   

• that bind

• allows

• package

• interest rates

10. 10. In angioplasty, a catheter is thread through an artery and guided through the body to the blocked area.

• thread

• guided

• body

• blocked