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【判断题】
导游人员的带团技能贯穿于旅游活动的全过程,但没有一个固定的模式。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】对于满载时的中机船，以下（）是错误的。
A.
应在中区货舱适当增大货物分配量
B.
应在中区货舱适当减小货物分配量
C.
应在中区货舱严格按舱容比例分配货物装载量
D.
B和C
【单选题】My aunt doesn't have much money, _________ she always enjoys herself.
A.
but
B.
and
C.
or
D.
so
【单选题】—I' m going to Hainan with my aunt for my holiday after the exam. — _____ . [ ]
A.
Have a good time
B.
It doesn't matter
C.
You are welcome
D.
Thanks a lot
【单选题】某人投资了三种股票,这三种股票的方差-协方差矩阵如下表,矩阵第(i,j)位置上的元素为股票i与j的协方差,已知此人投资这三种股票的比例分别为0.3,0.3.O.4,则该股票投资组合的风险是( D )。 A B C A 100 120 130 B 120 144 156 C 130 156 16...
A.
．9.0
B.
8.9
C.
12.5
D.
9.7
【单选题】对于满载时的大型尾机船，以下（）是错误的。
A.
应在中区货舱适当增大货物分配量
B.
应在中区货舱适当减小货物分配量
C.
应在中区货舱严格按舱容比例分配货物装载量
D.
A和C
【单选题】-I'm looking for a birthday gift for my aunt, but I don't have the slightest idea. -__________ 一Do you know what her hobbies are?
A.
She doesn't have a CD player.
B.
Actually, she doesn't like to study with music.
C.
She listens to music, collects butterflies, and is interested in photography. Maybe I'll get her a C
【单选题】My aunt doesn't have much money, _____she always enjoys himself.
A.
but
B.
and
C.
or
D.
so
【简答题】I have quite a small family. I live with my sister and my parents. My sister's name is ____ and she is 15 years old. She's a student. My mom's name is 2____ and my dad's name is 3____. Mom's a teacher...
相关题目：
【单选题】My aunt doesn't have much money, _________ she always enjoys herself.
A.
but
B.
and
C.
or
D.
so
参考解析：
知识点：
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