对
错
第1题:
此题为判断题(对,错)。
第2题:
此题为判断题(对,错)。
第3题:
If people ________ cutting down the forest, they will have nowhere _______.
A.keep, to live in B.will keep, to live in C.keep, to live D.will keep, to live
第4题:
High concentrations of H2S gas are most dangerous to personnel because they can ______.
A.cause involuntary muscle contractions
B.paralyze your breathing system
C.cause eye inflammation
D.cause dizziness
第5题:
第6题:
第7题:
第8题:
对
错
第9题:
对
错
第10题:
human societies will be much more cooperative
man will live in a highly organized world
machines will replace man
living beings will disappear from Earth
第11题:
对
错
第12题:
对
错
第13题:
此题为判断题(对,错)。
第14题:
The cold and dry climate of Antarctica ______ it one of the toughest places on Earth to live.
A、produces
B、manufactures
C、does
D、makes
第15题:
28. Which is NOT true?
A. The land never stops becoming deserts.
B. Scientists ask the people to live in the deserts and grow food there.
C. People do bad things to the earth.
D. Scientists may not be able to change the deserts.
第16题:
第17题:
第18题:
第19题:
第20题:
第21题:
对
错
第22题:
human societies will be much more cooperative
man will live in a highly organized world
machines will replace man
living beings will disappear from Earth
第23题:
对
错
第24题: