副萼

再生障碍性贫血最理想的治疗是（）。

A.雄激素

B.泼尼松

C.脾切除

D.免疫抑制药

E.同卵孪生兄弟骨髓移植

通过对公司单个年度的财务比率分析，可以判断公司在本行业中的地位。（）

－How was your trip to the Maldives?

－I’ve never had       one before.

A．a pleasant

B．a more pleasant

C．a most pleasant

D．the most pleasant

The report indicates that the new power station produces            energy as the one built earlier.[ ]

A．twice as much

B．as twice

C．twice much as

D．twice much

下列各项中，属于存活心肌的是（）

A.冬眠心肌

B.顿抑心肌

C.心肌瘢痕

D.无¹³N-NH₃和¹⁸F-FDG浓聚

E.⁹⁹Tc^m-MIBI摄取降低但有¹⁸F-FDG浓聚