【单选题】因为(),地球上的生物免于受到太阳发出的高能射线的影响。
【判断题】认知失调理论是美国心理学家赫兹伯格提出来的。
【判断题】The international treaties and conventions have unified the rules and norms governing international trade, thus national law plays a little role in international trade law.
【简答题】How much must a patient pay the doctor in the next town for his first visit? He must pay ______.
【判断题】大气分子在光波电场的作用下产生极化,并以入射光的频率作受迫振动。
【简答题】We must be patient enough to finish such __________ work.
【简答题】句型转换 1. We must clean the classroom every day.(同义句转换) We must _______ the classroom _______ every day. 2. It took me two days to finish the book.(同义句转换) I _______ two days _______ the book. 3. You sho...
【判断题】大气分子在光波电场的作用下产生极化,并以入射光的频率作受迫振动
【判断题】The CISG is therefore considered one of the core international trade law conventions whose universal adoption is desirable.