Scientists measured the impact that people have on the environment using a term called car
"Footprint" refers to the amount of carbon dioxide released by______.
A.an individual
B.an industry
C.a region
D.a country
"Footprint" refers to the amount of carbon dioxide released by______.
A.an individual
B.an industry
C.a region
D.a country
第1题
A.The veteran and middle-aged scientists are important, and so are the young ones.
B.The veteran, middle-aged scientists are important, and so are the young ones.
C.The veteran and middle-aged scientists are important, so are the young ones.
D.The veteran, middle-aged scientists are important, so are the young ones.
第2题
Dinosaur scientists can get information directly by ______.
A.studying dinosaur fossils
B.examining modern animals
C.watching dinosaurs
D.using telescopes
第3题
A、 use
B、 chance
C、 advantage
D、 attention
第4题
A.the earth’s surface
B.the surface of earth
C.the earth surface
D.the surface of the earth
第5题
Scientists and economists A(believe) that human being B(can never) C(use away) all the D(mineral) resources on Earth.
第6题
Scientists say when we catch cold,_____.
A.taking medicine
B.seeing a doctor
C.leaving it to your body
D.making a joke to your friend
第7题
A. tried out
B. ran out
C. turned out
D. picked out
第8题
A.vacent
B.empty
C.bare
D.hollow
第9题
Dinosaur scientists can probably know whether dinosaurs were good parents by ______.
A.watching many kinds of animals
B.studying dinosaurs' living relatives
C.following the tracks left behind
D.working on dug-out dinosaur eggs
第10题
A.unlikely
B.unfriendly
C.forbidden
D.vulnerable
第11题
Some years ago safety rules_________.
A.were put forwardDue to scientists’recommendations
B.came into being as a result of the workers’demand
C.were introduced because quite a number of people were kiHed or seriously in-jured
D.were effective enough to protect workers and customers