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【简答题】
经营国内旅游业务和入境旅游业务的旅行社,应当存入质量保证金()万元;经营出境旅游业务的旅行社,应当增存质量保证金()万元。质量保证金的利息属于()所有。
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【简答题】听音，填空。 1. My hair is ____________. 2. Her eyes are ____________. 3. What colour is ____________ hair? 4. My eyes are ____________.
【简答题】请你来做发型师，帮助他们设计发型。 1. 2. 3. long black hair short blond hair curly red hair
【单选题】A typical bacterial cell is around ____.
A.
Dozens of nanometers
B.
Several micrometers
C.
Several millimeters
D.
Dozens of micrometers
【简答题】Yorkshire Pudding is a restaurant which will bring full dishes to the table but offer plates to those diners who would like to______.
【单选题】( ) assists bacterial cell in attaching( 黏附 ) to other surface.
A.
fimbriae
B.
cell wall
C.
cell membrane
D.
plasmid
【简答题】听音，选出你听到的内容。 ( ) 1. A. long hair ( ) 2. A. My hair is red. ( ) 3. A. straight ( ) 4. A. big B. short hair B. My hair is yellow. B. curly B. little
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