【单选题】The purpose of the writer is mainly to ______ .
A.
give a brief account of California and its problems
B.
inform. us why California is so attractive and enduring
C.
promote and popularize a would-be classical book
D.
make a comment on Mr. Starr and a review of his masterpiece
【单选题】Our correspondent Carl from South Africa will give us a brief introduction of their presidential election.
【单选题】有关频率表使用的注意事项正确的是
A.
通电使用前不需确认仪表电源、输入信号是否在使用范围内
【简答题】Give a brief introduction to the history of 'massive global money movements' and their impacts on the global economy.
【判断题】凡属嗜酸微生物。其细胞内环境的pH和各种酶的最适pH却都在中性pH附近。
【判断题】凡属嗜酸微生物,其细胞内环境的pH和各种酶的最适pH却都在中性pH附近。( )
【简答题】What is International Double Taxation?Please give a brief introduction and comment on the two basic kinds of double taxation?(上海交大2007年研)
【单选题】The purpose of this passage is to______.
A.
give a brief introduction to the Antarctic
B.
encourage people to visit the Antarctic
C.
warn people of possible dangers in the Antarctic
D.
advise people how to have a good voyage to the Antarctic
【判断题】凡属嗜酸微生物,其细胞内环境的pH和各种酶的最适pH却都在中性pH附近。