【单选题】读了柳宗元的《江雪》头脑中出现了一副"寒江独钓图",这是一种
【简答题】常用的Internet接入方式主要有ADSL、( )和无线接入。
【多选题】与一维条形码相比,二维码的优势有_____。
【单选题】As for food, experts suggest that ______.
B.
We should never eat meat
C.
We should have meals with less salt and sugar
D.
We shouht have meals without salt or sugar
【多选题】二维码和一维码相比较而言,具有( )优点。
【单选题】Whenever we are in ____ trouble, we should never lose______heart.
【单选题】Since we have never been here before, we do not know which bus ______.
【单选题】As for food, experts suggest that ______.
B.
We should never eat meat
C.
We should have meals with less salt and sugar
D.
We should have meals without salt or sugar
【简答题】简述RFID与一维条码、二维码相比的优势。