一下正方形花坛,边长是我7米.围着这下花坛走一周,要走多少米?
b=4a
=4×67
=668(米)
答:要走668米.
—Why not watch the popular TV program “If You Are The One” (非诚勿扰)?
—_________________.
A.That sounds great
B.Yes, we shall
C.I’m busy, I have no time
D.I’m afraid not
男性,36岁,患十二指肠溃疡6年,突发上腹剧痛3小时,继而全腹痛、大汗、面色苍白,四肢发凉。查体:全腹压痛,反跳痛。考虑有溃疡病穿孔的可能。
十二指肠溃疡穿孔多见于()
A.前壁
B.后壁
C.下壁
D.上壁
E.球后