【单选题】By quoting (引用) the remark of a being from another planet, the author intends to __________.
A.
suggest human beings are controlled by a clock
B.
describe why clocks can rule the planet Earth
C.
tell readers what clocks look like
D.
compare clicks to human beings
【单选题】金女士经常通过计算机在互联网上购物,从安全角度看,下面哪项是不好的习惯:
A.
使用专用上网购物用计算机,安装好软件后不要对该计算机上的系统软件,应用软件进行升级
B.
为计算机安装具有良好声誉的安全防护软件,包括病毒查杀,安全检查和安全加固方面的软件
C.
在IE的配置中,设置只能下载和安装经过签名的,安全的ActiveX控件
D.
在使用网络浏览器时,设置不在计算机中保留网络历史纪录和表单数据
【单选题】He made a() remark on the latest shown film.
【简答题】He concluded his speech with a remark that __________________(失败乃成功之母).
【单选题】Einstein wrote his remark about the danger to truth from having a foolish faith in authority when he was _____.
【单选题】Although he_______mentioned the introduction of that product, his remark still has a profound effect on his fellows.
【简答题】桥式整流电容滤波电路中,已知 ,空载时其输出电压 = V。