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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (62) our protective blanket on (63) . Light gets throug...
A.
[A] with [C] under
B.
[B] from [D] for
【单选题】为了减少伪影，提髙DSA影像质量，对患者的准备不包括
A.
术前对患者要进行训练
B.
对意识差或无意识的患者，应给予镇静剂
C.
对受检部位施行附加固定
D.
昏迷患者使用兴奋剂
E.
术前可肌肉注射抑制胃肠蠕动的药物