题目内容 (请给出正确答案)
提问人:网友z*****n 发布时间:2023年3月31日 23:36
[单项选择题]

哪些动物生活在百级空气隔离系统中()

A.普通级动物B.清洁级动物C.SPF级动物D.无菌动物

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听力原文:M: Mum, what will we have for dinner?W: Maybe fish, chicken soup and what do you
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M: Mum, why don't we eat out for a change?W: Oh, that's a good idea. Actually I'm very tired today.M: Mm, let's go to KFC this time.W: Ok, then, you'll drive, won't you?M: Ok, ok. Ah, here we are. Mum, what would you like to have? I'd like a hamburger.W: I want one, too. And some desserts and beverages?M: Yeah, a glass of Pepsi, an ice-cream cone and an apple pie.W: Ok, you go and find the seats.Why did Mum agree to go for dinner?A.Because she was tired today.B.Because nobody cooked.C.Because she was bored with the home-made food.

W: Oh, that's a good idea. Actually I'm very tired today.M: Mm, let's go to KFC this time.W: Ok, then, you'll drive, won't you?M: Ok, ok. Ah, here we are. Mum, what would you like to have? I'd like a hamburger.W: I want one, too. And some desserts and beverages?M: Yeah, a glass of Pepsi, an ice-cream cone and an apple pie.W: Ok, you go and find the seats.Why did Mum agree to go for dinner?A.Because she was tired today.B.Because nobody cooked.C.Because she was bored with the home-made food.

M: Mm, let's go to KFC this time.W: Ok, then, you'll drive, won't you?M: Ok, ok. Ah, here we are. Mum, what would you like to have? I'd like a hamburger.W: I want one, too. And some desserts and beverages?M: Yeah, a glass of Pepsi, an ice-cream cone and an apple pie.W: Ok, you go and find the seats.Why did Mum agree to go for dinner?A.Because she was tired today.B.Because nobody cooked.C.Because she was bored with the home-made food.

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W: I want one, too. And some desserts and beverages?M: Yeah, a glass of Pepsi, an ice-cream cone and an apple pie.W: Ok, you go and find the seats.Why did Mum agree to go for dinner?A.Because she was tired today.B.Because nobody cooked.C.Because she was bored with the home-made food.

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W: Ok, you go and find the seats.Why did Mum agree to go for dinner?A.Because she was tired today.B.Because nobody cooked.C.Because she was bored with the home-made food.

Why did Mum agree to go for dinner?A.Because she was tired today.B.Because nobody cooked.C.Because she was bored with the home-made food.

A.Because she was tired today.B.Because nobody cooked.C.Because she was bored with the home-made food.

B.Because nobody cooked.C.Because she was bored with the home-made food.

C.Because she was bored with the home-made food.
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