问题
单项选择题 B型题
可被口腔中的唾液链球菌杀死的是（）
A.抗菌性脂类
B.金黄色葡萄球菌
C.过氧化氢
D.肠毒素
E.白喉杆菌
答案
参考答案：E
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可被口腔中的唾液链球菌杀死的是（）
A.抗菌性脂类
B.金黄色葡萄球菌
C.过氧化氢
D.肠毒素
E.白喉杆菌
参考答案：E
| 用所给单词的适当形式填空。 | |
move or indicate without speaking. Watch what people from different cultures do when they introduce themselves. Some l_____ the person they are greeting and kiss them on the 2_____, some kiss on both cheeks, some shake hands, some bow, some beat the 3_____ and some just nod as it is not their custom to 4_____ the other person. In 5_____, it is very important to avoid 6_____ each other. Learn what a vawn 7_____ in the culture of the people you are meeting. It is likely to be a rude 8_____ to some. So be very careful how you carry yourself and how you 9_____ yourself when in another country. We are all in 10_____ about one thing: we are all anxious to communicate with other human beings. It is how we do it that differs! |