1. The airport police who ______ the girl concluded that she was innocent and hadn’t known about the drugs.
A. interrogated
B. shrouded
C. ratified
D. muffled

2. Whoever formulated the theory of the origin of the universe, it is just______ and needs proving.
A. spontaneous
B. hypothetical
C. intuitive
D. empirical

【考博英语长难句翻译】
Laughter does produce short-term changes in the function of the heart and its blood vessels, boosting heart rate and oxygen consumption.




考博英语每日一练（11.11）参考答案
1.A
【句意】审问这个女孩的机场警察认为她是无辜且不知晓这些毒品的。
【解析】动词词义辨析。interrogate“审问；盘问”；shroud“覆盖；隐瞒；笼罩”；ratify（其动词过去式为ratified）“批准 (条约或书面协议)”；muffle“裹住；压低 (声音)”。由句中关键词“airport police机场警察”与“concluded that she was innocent认为她是无辜的”知“审问”符合语境，由此知A项正确。

2.B
【句意】无论谁提出了宇宙起源的理论，它都只是一个假设，且需要证明。
【解析】形容词词义辨析。spontaneous“自发的；自然的”；hypothetical“假设的”；intuitive “直觉的”；empirical“以实验（或经验）为依据的；经验主义的”。由句中关键词“the theory of the origin of the universe宇宙起源的理论”与“needs proving需要证明”的对应知“假设的”符合语境，故B项正确。

【考博英语补全句子参考答案】
笑确实会引起心脏及心血管功能的短期变化，进而提高心率和耗氧量。