下列哪些药品限用于高血压二线用药、心力衰竭、急性心肌梗死（）
A.厄贝沙坦
B.卡托普利
C.缬沙坦
D.氯沙坦钾
E.培哚普利
参考答案：A, C, D
Astronauts in a spaceship have to _______weightless conditions _______are quite different from ______are on the earth.
A．do with; which; those
B．deal with; that; that
C．solve; that; what
D．face; which; these
以下可作为履约保障的是（）。
A.现金
B.存单质押
C.实物抵押
D.占用授信额度
