问题
单项选择题
直接耦合放大电路产生零点飘移的主要原因是()变化。
A.温度
B.湿度
C.电压
D.电流
答案
参考答案:A
直接耦合放大电路产生零点飘移的主要原因是()变化。
A.温度
B.湿度
C.电压
D.电流
参考答案:A
Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choices marked A, B, C and D. Choose the best one and mark your answer on the ANSWER SHEET with a single line through the center.
I found, while thinking about the far-reaching world of the creative black woman, that often the truest answer to a question that really matters can be found very close. In the late 1920s, my mother ran away from home to (51) my father. Marriage, if not running away, was (52) of seventeen-year-old girls. By the time she was twenty, she had two children and was pregnant (53) a third. Five children later, I was born. And this is how I (54) to know my mother: she (55) a large, soft, loving-eyed woman who was (56) impatient in our home. Her quick, violent temper was on (57) only a few times a year, when she (58) with the white landlord who had the misfortune to suggest to her that her children did not need to go to school. She made all the clothes we wore, even my brother’s (59) . She made all the towels and sheers we used. She spent the summers canning vegetables and fruits. She spent the winter evenings making quilts (60) to cover all our beds. |
A.waiting
B.stayed
C.impossible
D.expected
阅读下面这首词,完成问题。
1.这首词的上阕写景,下阕抒情,分析景与情的关系。 _____________________________________________________________________ 2.这首词的下阕假托所思美人之不得相见而抒写内心的愁苦,那么“闲愁极”指的是________________________________________________ (用《永遇乐·京口北固亭怀古》中的句子作答),由此看来,婉约词和豪放词在表情达意上有时是相通的。 |