外伤时表皮破损,少量渗血,创面少许砂粒正确的诊断是()。
A.擦伤
B.挫伤
C.挫裂伤
D.刺伤
E.切割伤
参考答案:A
There _____ a football match on TV this evening.
A.will have
B.is going to be
C.has
D. is going to have
锅炉的蒸汽压力为2.45MPa,蒸汽温度一般采用该压力下的过热温度。