What was the weather like at the picnic？
A. It was sunny.
B. It rained.
C. It was cloudy.
D. It was overcast.
查看答案
狂犬病的主要传播途径是（）
A. 飞沫传播
B. 粪-口传播
C. 接触传播
D. 血液传播
E. 媒介昆虫传播
牙周膜中数量最多，力量最大的一组纤维，使牙齿承受的咀嚼压力变为牵引力，均匀地分散到牙槽骨上
Why is the woman changing their meeting place？
A. The original place is too far from the woman's office.
B. They will likely be distracted.
C. The office is closed today.
D. Her boss wants to meet somewhere else.
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