在某工程双代号网络计划中,如果以某关键节点为完成节点的工作有3项,则该3项工作 ( )。
A.全部为关键工作
B.至少有—项为关键工作
C.自由时差相等
D.总时差相等
参考答案:B
药物性痤疮
A.由雌激素、糖皮质激素、卤素等所致B.接触石油、焦油等C.痤疮,突然显著加重,伴有发热等全身症状D.表现为严重的结节、囊肿、窦道、瘢痕E.与月经密切相关
Some of his plans were______and much too good for this world, but he never wavered in a cause that he considered just, and in so doing he commanded the respect of even those who______him.
A.(A) impractical … worshipped
B.(B) idealistic… praised
C.(C) quixotic … opposed
D.(D) compelling … intrigued
E.(E) implicit… attacked