Plaque, a sticky layer of bacteria that forms on the tooth enamel, feeds on the sugars and starches from food particles in your mouth. This produces an acid that eats away at the enamel, causing weak areas and holes. Over time, the enamel breaks down, and a cavity forms.7 As the deca...
1. Does she have a headache? Yes, she does. / No, she doesn't. She doesn't have a headache. 2. Does George have an earache? Yes, he does. / No, he doesn't. George doesn't have an earache. 3. Do you have a toothache? Yes, I do. / No, I don't. I don't have a ...
题目一、单词辨音:选出画线部分读音与其他三个不同的单词()1.(a)call(b)tall(c)talk(d)all()2.(a)cold(b)old(c)phone(d)doctor()3.(a)mouth(b)house(c)how(d)month()4.(a)news(b)newspaper(c)must(d)stomach()5.(a)headache(b)head(c)medicine(d)meet()6.(a...
somemedicine.(4).【答案】a bad cold, a headache, an earache, atoothache, a stomach ache,flu, measles,mumps【解析】患感冒、患头痛、患耳痛、患牙痛、患胃痛、患流感、患麻疹、患腮腺炎.跟have搭配的词或短语应填: a bad cold, a headache, an earache, atoothache, a stomach ache, flu, measles...
A number of typical ENT complaints which do not involve organic signs or Symptoms are presented, such as sinusitis-like headache, otitis-like earache and t... H Sauer 被引量: 7发表: 1988年 Successful Surgical Removal of an Ectopic Erupted Third Molar in Maxillary Sinus: A Case Report A ...