【单选题】关于汉字外码,下列说法不正确的是( )
A.
汉字外码是用于将汉字输入到机器内所使用的编码
D.
汉字外码有拼音码、音型码、字型码和字模点阵码
【单选题】What does "recycle" mean?
【简答题】What does the author know?
【判断题】从反馈放大电路中分离出基本放大电路,将反馈去掉,不用保留反馈网络对输入回路的负载效应。
【单选题】What does 'He wisely refused to spend his money' mean?
A.
It was wise of him to refuse to spend his money.
B.
He refused to spend his money in a wise manner.
C.
He was short of money and didn't want to buy anything.
D.
He refused, in a wise manner, to spend his money.
【单选题】What does the result of this research show?
A.
Vegetables differ in their nutritional value.
B.
Children’s eating habits can be changed.
C.
Parents watch closely what children eat.
D.
Children’s choices of food vary greatly.
【单选题】从反馈放大电路中分离出反馈网络,反馈输入回路的画法正确的是( )
A.
对于电压反馈,将反馈网络输入端视为开路,取出输出电压,但不取出电流。
B.
对于电压反馈,将反馈网络输入端视为短路,取出输出电压,但不取出电流。
C.
对于电压反馈,将反馈网络输入端视为开路,取出输出电流,但不取出电压。
D.
对于电压反馈,将反馈网络输入端视为短路,取出输出电流,但不取出电压。
【简答题】听第10段材料,回答第18~ 20题。 18. What does the author do at the airport? [A] Teach airhostesses and help them with problems. [B] Be the pilot. [C] Carry luggage for the passengers.