【单选题】The genetic disorders are caused mainly by the mutations in a single gene, and their inheritances follow classical MENDELIAN inheritance. Then these genetic disorders are called
【简答题】用所给词的正确形式填空。 1. I enjoy ______(listen) to music. 2.The supermarket is on the ________(three) floor. 3. I like spring ______(well) than summer. 4. We enjoyed ________(oneself) last Sunday. 5. We are ex...