了（1）了（2）一件事了（3）。指出这句话“了”的词性：了1________，了2__________，了3__________

She 1________ 5 -7 hours a day,and 2 _______ 6 days a week for many years.

实现背景图像在水平方向平铺的声明_________1________；设置背景图像位置的属性是______2______。

Nowadays there is a media trend toward diminishing the importance of fathers in the United States. On the one hand, we have easy access to 1________ stories about

【S07C】MSP432的I2C模块中，在对I2C模块进行配置时，需要首先置1________位。（注：英文大写）

修改SELINUX为宽容模式修改配置文件命令:_________1________进入文件后修改SELINUX=_______2_____使修改立即生效命令:____3_____

1mol的氧原子的质量是________,0.1mol氧原子的质量是1________,2mol氧气的质量是_________,3mol臭氧的质量是________

读图题请写出以下零件的名称:零件1________、零件19________、零件12________、零件11________、零件17________、零件20________、零件18________、零件3________、零件15________

for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是：__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1