【单选题】-English is too hard for me to study well. I don’t want to learn it any more. -Don’t . It is useful in the future.
【简答题】若将标称值分别为“ 1W 、 100 Ω”和“ 2W 、 200 Ω”的电阻串联后作为一个用电器使用,其总额定功率为 ______W ,在电路中两电阻两端的电压之比为 ______ ,两电阻的实际功率之比为 _____ 。
【单选题】接种立克次体的鸡胚应置于下列哪一个温度的孵卵箱中孵育()
【判断题】After writing letters to her friend Doug for two years, Catherine felt at ease meeting face to face with him.
【简答题】阅读理解。 Learning to save money when you're young is an important lesson. All good lessons and habits begin early, and saving is a skill that everyone needs. Many people-s included-do not have a goo...
【单选题】色环电阻的颜色分别是红色,紫色,黑色,橙色,棕色,其阻值是________KΩ。
【单选题】下列有关手术后病人早期活动的优点的说法,不正确的是
【多选题】关于妇科腹腔镜手术术后患者腹胀的护理,下列说法正确的有
A.
告知患者可通过自身代谢和吸氧加速C02的排出,腹胀会逐渐缓解或消失
【判断题】H 2 S 分子和 NH 3 分子中心原子均是 sp 3 杂化