Food-poisoning may pose a problem ___________ . 查看材料
A. when your plane is about to land
B. when you are taking tablets
C. when you suffer from food-poisoning
D. when you are travelling
E. when you are packing for your tour
F. when you are having a cold
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Paragraph 6 ___________ 查看材料
A. Basics of What to Eat and Drink
B. Medicine Against Bacteria and V"lruses
C. Importance of bacteria balance
D. Basics of Having a Pleasant Flight
E. A Teaspoonful of Helpful Silicol
F. Preparations Against Food Poisoning
Paragraph 4 ___________ 查看材料
A. Basics of What to Eat and Drink
B. Medicine Against Bacteria and V"lruses
C. Importance of bacteria balance
D. Basics of Having a Pleasant Flight
E. A Teaspoonful of Helpful Silicol
F. Preparations Against Food Poisoning
Paragraph 5 ___________ 查看材料
A. Basics of What to Eat and Drink
B. Medicine Against Bacteria and V"lruses
C. Importance of bacteria balance
D. Basics of Having a Pleasant Flight
E. A Teaspoonful of Helpful Silicol
F. Preparations Against Food Poisoning
Scientists does not know all the answers about the effects of music on humans.
A. Right
B. Wrong
C. Not mentioned
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