使用压缩压力表检查引擎压缩压力时:()。
A.应拆除全部火花塞
B.仅将须测量之火花塞拆除
C.毋须拆除火花塞
D.将气缸压力表接于火星塞上
参考答案:A
After many years’ waiting, Chinese people______ realized their dream to hold the Olympic Games.
A.constantly
B.eventually
C.lastly
D.generally
红色血便伴有腹部绞痛可见于()
A.肠套叠
B.过敏性紫癜
C.急性出血性坏死性小肠炎
D.胆道出血
E.细菌性痢疾