某年7月,某小学20多名学生食用了由奶、蛋、糖制作的冰淇淋12h后,出现腹痛、腹泻、黄绿水样便,部分病人有脓血便,体温高达39℃,重症者出现谵妄、昏迷等,引起该次食物中毒的最可能病原是()
A. 致病性大肠杆菌
B. 沙门菌
C. 葡萄球菌
D. 肉毒梭菌
E. 副溶血性弧菌
目前我国膳食碳水化合物的热比范围是()
A. 35%~45%
B. 45%~55%
C. 55%~65%
D. 65%~75%
E. 70%~85%
Why don't you start playing tennis? It will help you keep fit and it's a great _________.
A. game
B. match
C. play
D. competition
If you want to stay fit, don't eat too much and take plenty of _________.
A. physical
B. water
C. snacks
D. exercise