【单选题】Section A Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. Aft...
A.
China's efforts to make the G20 summit a success.
B.
Secretary-General's speech on sustainable development.
C.
Progress in bringing a climate agreement into effect.
D.
An agreement by the US and China for world peace.
【单选题】Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hea...
A.
Pursue a higher degree.
C.
Stay healthy after two illnesses.
D.
Enjoy having grandchildren around.
【判断题】函数f(x) 的所有原函数称为f(x) 的不定积分。
【判断题】幼儿在夜间入睡后,生长激素才大量分泌。____
【单选题】Directions: In this section, you will hear two news reports. At the end of each news report, you will hear two questions. Both the news report and the questions will be spoken only once. After you hea...
A.
She worked hard to send all her children to college.
B.
She was the oldest speaker at the graduation ceremony.
C.
She graduated from college at a very advanced age.
D.
She lived the longest among the graduates of the college.
【单选题】明代花鸟 画 有了很大发展,从根本上完成了水墨 写 意花鸟 画 变革的一代大家 是 ( )。
【单选题】幼儿在( )入睡后,生长激素才大量分泌。
【单选题】第三代计算机采用的电子逻辑元件是( )。