My friend Bob just bought an apartment in a suburb of Beijing last week, which is much smaller than ours but is three times________expensive[ ]

I’m going to America for Christmas. — Really .

Both parents and teachers work hard at either preventing failure or protecting the children from the knowledge_______ they have failed.

I’m afraid I won’t be able to get to the top of the mountain. It’s hard for me.— Keep on! I’m sure you have a strong _________.

填入下面文段空白处的词语，最恰当的一组是（ ）没出事“你好我好大家好”， ① 出事便“相互推责”，已成多部门治理、多环节监管下的共同之处。安全标准也好，技术标准也罢，从本质上讲， ② 是监管的标准和态度的结果， ③ 坚持一切从严并力求做到“零风险”， ④ 在标准上就必然会达到“史上最严”， ⑤ 就可能“标准围绕监管转”， ⑥ 监管有多么松散则标准就有多低效。① ② ③ ④ ⑤ ⑥