10. Barack Obama says he's going to do his best to help the Earth.
Answer: A. True
11. A. actually B. Jupiter C. fortunate D. temperature
Answer: B. Jupiter
12. A. benefit B. unhealthy C. lemonade D. measure
Answer: C. lemonade
13. A. pollutant B. permanent C. untreated D. dramatic
Answer: D. dramatic
14. A. meaningful B. powerful C. poisonous D. enormous
Answer: B.powerful
15.We can _______not only through words but also through facial expressions.
A.talk
B.transfer
C.interpret
D.communicate
Answer: D.communicate
16.Speak slowly __________your friends can understand you.
A.such that
B.so that
C.so as to
D.for fear that
Answer: B.so that
17.A __________ person likes meeting and talking with other people.
A.helpful
B.shy
C.sociable
D.humourous
Answer:C.sociable
18.People will be ________to a safe place to live in the short run
A.taken
B.took
C.takes
D.to take
Answer:A.taken
19.Is it __________ to improve our speaking sklll
A.import
B.importing
C.importance
D.importan t
Answer:D.importan t
20.Scientists are __________ new technology for making artificial intelligence with emotions,
A.lookin g up
B.lookin g for
C.lookin g at
D.lookin g down
Answer:B.lookin g for
21.Beside their advantages in our life, technology is also responsible______pollution and global warming.
A.for
B.with
C.to
D.toward
Answer:A.for
22.The internet is one of the most effective _____of communication.
A.kinds
B.form
C.means
D.way
Answer:C.means
23.The new computer chip will probable he delayed because the hurricane on the East Coast han disrupted air traffic.
The word "probable" should be "probably"
24.Because of language barrier, they decided using body language to communicate.
The word "using" should be "to use"
25.Lien told she doesn't like to go for a picnic the following day.
The word "told" should be followed by "that"
26.I will wait for you at this place and time tomorrow morning.
No correction needed.
27.Don't drink that water.It's contaminated.
The opposite of contaminated is unpolluted.
28.Many seabirds were dead because of the oil spill.
A.live
B.alive
C.breath
D.unbreathing
The closest meaning to dead is unbreathing.
29.The forest fire raged for eight hours, killing all of the animals.
A.arrived
B.fought
C.collapsed
D.spread
The closest meaning to raged is spread.
30.Snail mail has become less popular today, in comparison to email.
A.Airmail
B.Texting
C.Letter < div > D.Message
The closest meaning to snail mail is letter