【简答题】听下面一段材料,回答第1至3题。 1. How did the woman come? A. By train. B. On foot. C. By bus. 2. How long had the man been waiting for her? A. Nearly an hour. B. More than an hour. C. About five minutes. 3. Why did...
【单选题】已知男性的钩虫感染率高于女性。今欲比较甲、乙两乡居民总的钩虫感染率,但甲乡人口女多于男,而乙乡男多于女,适当的比较方法是
【简答题】听下面一段材料,回答第1至4题。 1. How does the man plan to spend the holiday this year? [ ] A. To go to Egypt. B. To stay at home. C. To travel abroad alone. 2. What is the advantage of traveling by sea, accord...
【单选题】在轴测投影中,轴测轴与空间直角坐标轴单位长度之比称为( )。
【单选题】男,45岁,因急性坏死性胰腺炎入院,入院后给予输血等治疗,当输入200ml鲜血时,患者出现荨麻疹,全身瘙痒,该患者可能出现了
【简答题】根据你所听到的内容选出正确答案。 1. What would the man like ? 2. What' s Mike's sister? 3. Where is Andy from? 4. What's on the desk? 5. What class is the girl in? A. Class Two B. Class Four C. Class Five 6. How many...
【单选题】已知男性的钩虫感染率高于女性。欲比较甲、乙两乡居民的钩虫总感染率,但甲乡人口女多于男,而乙乡男多于女,适当的比较方法是 ( ) 。
【单选题】已知男性的钩虫感染率高于女性。欲比较甲、乙两乡居民的钩虫总感染率,但甲乡人口女多于男,而乙乡男多于女,适当的比较方法是( )。