【多选题】下列____投诉,是属于管理方面的原因。
【单选题】There isn't water or air on the moon, and ____ man can't live on it.
【简答题】单词拼写。 1. Please help ________ (你自己) to some fish, Tom. Don't be so shy. 2. Man can't live ________ (没有) water, so we must make good use of it. 3. Please listen to the speaker ________ (仔细地) when he (s...
【简答题】用所给词的适当形式填空。 1. Jim's family moved to two years ago. (French) 2. Man can't live water or air. (with) 3. Many come to visit our city every year. (visit) 4. Millie needs more in listening. (practise) 5....
【单选题】H1受体激动后引起血管扩张、血压下降的机制是: