调节时基旋钮,改变栅格()方向大小,既可以改变波形的()
A. 水平,宽窄
B. 纵,宽窄
C. 水平,电压
D. 纵,电流
查看答案
出发调整旋钮的作用是
A. 调整波形不失真
B. 调整波形频率
C. 调整波形停在屏幕上
D. 调整波形大小
Complete the summary of Text A by filling the blanks with the help of initial letter given.A child's clutter awaits an adult's returnThe daughter is leaving home for independence and the mother feels glad on the one hand and expresses her 1. c_____________ on the other. The daughter leaves a 2. m__________ in her rooms and the mother 3. s_____________ up the rooms. After the mother finds a large 4. e______________ with all the memorable things the parents gave to the daughter, the mother's attitude 5. r_____________ es completely.
Complete the summary of Text B by filling the blanks with the help of initial letter given.Time slows downJune, a nursing home of Virginia, I visit my father in wheelchair and encourage him to take a walk, finding it hard to help him up because he is too heavy and limp. The 1.f____________ and cold weather reminds me of an experience with my father when I am young. I'm five, cold and tired. Suddenly my fatigue is gone when I find the harbor exciting. We find some smoked eel in the harbor. My father suggests that we take some home but I 2. d___________ at first. My father persuades me to try some.Later, I try one bite and find it tasty and 3. e_________ up the whole piece finally. My father 4. f___________ me out of love. We have been to many places, picnicking on dried eel and he is so strong and energetic that he often 5. o____________ me. However, now 6. w_________ and old, he walks impatiently and unsteadily under my help.He is unhappy and doesn't 7. c________ for the food in the nursing home. I bring him smoked eel to 8.___________ him up again. He eats the 9.__________ piece. And again, time slows down and the love 10. f__________ in—daughter to father and back again.
多问几个是什么:我是一个—————人(做出十个以上的填空)