原发性血小板减少性紫癜表现为()
A.贫血重而出血轻
B.贫血与出血相一致
C.有贫血而无出血
D.无贫血而有皮下出血
E.以上都不是
参考答案:B
Mrs. Lin is not only strict __________ her students but also __________ her teaching.[ ]
A. in; with
B. with; in
C. in; in
D. with; with
单绳缠绕式提升装置升降人员和物料时安全系数的最低值为()。
A.6.5
B.7.5
C.8.5
D.9.O