24（）
A. since
B. when
C. what
D. as
蒿芩清胆汤具有的治疗作用是
A. 滋阴疏肝
B. 补脾泻肝
C. 两者均是
D. 两者均非
Hiding behind the cubes during an attack you can（）.
A. let them shoot over you without any danger
B. be certain of hitting your target(靶子)
C. easily shoot from behind them
D. fire straight at your enemy
31（）
A. until
B. because
C. then
D. therefore
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