大疱性类天疱疮的好发人群为()
A.儿童
B.年轻人
C.成年人
D.妊娠妇女
E.中老年人
参考答案:E
解析:大疱性类天疱疮的好发人群为60岁以上的老年人,儿童也可发病,故答案为E。
用所给词的适当形式填空。
1. If I (fail) the exam, you wouldn't be so happy.
2. If I (be) there, I would stop him from doing so.
3. If it (be) fine tomorrow, we (go) shopping.
4. He (help) us if he had time.
5. He showed us how (get) to the hall with the ID card.
信托业务,是指信托公司以营业和收取报酬为目的,以()身份承诺信托和处理信托事务的经营行为。
A.受益人
B.受托人
C.管理人
D.托管人