【简答题】In many developing nations, however, cigarette smoking is _____________ a sign of economic progress and is even encouraged.
【单选题】In Harbin, it ’ s going to ______.
【判断题】山梨酸的适用范围比苯甲酸广,毒性也比苯甲酸低。
【判断题】In order to make friends, people in many Asian countries always go out to have meals and drinks after work.
【单选题】In a large enterprise, ________.
A.
new technology is employed quickly
B.
all people work efficiently
C.
one's effectiveness is felt very slowly
D.
one can get promotion easily
【简答题】阅读理解。 In 1896, the first modem Olympic s was held in Athens, Greece. Since then many countries have successfully held the Olympics, such as England, France, Germany, Canada, the USA, Spain and Aus...
【判断题】在防腐剂中,山梨酸的毒性比苯甲酸大。()