一张边长1分米的正方形纸片可以剪成______个边长1厘米的小正方形．
1分米=10厘米，
10×10=100（个），
故答案为：100．
抛掷两颗骰子，（1）求点数之和为7的概率；（2）求点数之和不小于10的概率．
She was so lost in her own thought that she was not _____ the coming danger .
A．careful about
B．interested in
C．concerned with
D．aware of
