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【多选题】
设x是某个个体域Ω中的一个个体，F(x)和G(x)是两个关于x的命题，则命题 【图片】的含义是（）。A.
必有一个y ∊ Ω， 使得命题F(y)为G(y)为真
B.
必有一个y ∊ Ω，使得命题F(y) ∧ G(y)为假
C.
对所有的x ∊ Ω， 命题F(x) ∨ G(x)
D.
必有一个y ∊ Ω，使得命题F(y) ∨ G(y)为真
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举一反三
【单选题】What happened to the man's father after a trip to the mountain?
A.
He died peacefully while sleeping on the bed.
B.
He was attacked hard and died quickly.
C.
He had a heart attack and died peacefully.
D.
He died peacefully when preparing dinner.
【单选题】What can we assume about the death of the man's father?
A.
He died in a traffic accident.
B.
He fell ill and passed away unexpectedly.
C.
He stayed in the hospital for a while.
D.
He had a lingering illness.
【简答题】Q: Where had the man's father probably worked before he changed his job?
【多选题】下列选项关于西餐餐具的使用礼仪说法错误的是( )。
A.
用餐结束时,可使叉左刀右、叉齿向下、刀口向内,二者呈“八”字形摆在餐盘中央,以表示此菜已用完
B.
用餐途中需要休息时,可将刀或刀叉的一端放在盘上,另一端放在桌上
C.
用汤匙舀汤时,应从汤盘的中心部位向外侧置,然后再送到嘴边饮尽
D.
使用高脚的葡萄酒杯品酒时,应用手捧住杯腹
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