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【简答题】
沉积物的来源:地表的沉积岩、火成岩和变质岩 ______、_____
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【单选题】已知某矩形波频率为2Hz,占空比为60%,请问该波形1个周期内高电平部分时间是( )?
A.
0.5秒
B.
0.2秒
C.
0.3秒
D.
0.4秒
【单选题】油脂可以促进下列哪种维生素在人体内的吸收( )
A.
维生素 C
B.
维生素 B 1
C.
维生素 A
D.
维生素 B 2
【简答题】补全对话。 A.and it snows sometimes. B.What's the weather like in Shijiazhuang? C.What's the temperature? D.How do you know it? E.Yes, you can. A: What bad weather! It's rather cold, isn't it? B: Yes, it i...
【单选题】在体内可由胆固醇转变而成的维生素是
A.
维生素A
B.
泛酸
C.
维生素E
D.
维生素K
E.
维生素D
【单选题】人体内维生素A的主要储存器官是
A.
血液
B.
皮肤
C.
肾脏
D.
肝脏
E.
骨髓
【简答题】脂溶性维生素______在储存体内,______每天供应;水溶性维生素______在体内储存.需______补充。
【单选题】人体内相同质量的下列几种物质储存能量最多的是(  )
A.
脂肪
B.
糖类
C.
蛋白质
D.
维生素
【单选题】听力原文:M: How do you like the party held at the hotel last night? W: Well, the food was delicious and I had a good time there. Q: Where was the party held? (3)
A.
At a hotel.
B.
At the man's house.
C.
At a garden.
D.
At the woman's house.
【单选题】听力原文:M: Mrs. Wang, what was the hotel like? W: Oh, I stayed in the most comfortable hotel in the city. Q: What does the woman think of the hotel? (9)
A.
Terrible.
B.
Comfortable.
C.
Noisy.
D.
Expensive.
【单选题】听力原文:W: Renting the conference room at the hotel will cost us too much. We’re already running in the red. M: How about using our dining room for the meeting? Q: What's worrying the woman? (14)
A.
The organization of a conference.
B.
The cost of renting a conference room.
C.
The decoration of the conference room.
D.
The job of cleaning up the dining room.
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