口蹄疫病毒除感染偶蹄类动物外，还可以感染下列哪些种类（） A._爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题 A1/A2型题

口蹄疫病毒除感染偶蹄类动物外，还可以感染下列哪些种类（）

A.家畜

B.啮齿类动物

C.节肢动物

D.人和非偶蹄类动物

E.鸟类

答案

参考答案：D

单项选择题

从student表删除年龄大于30的记录的正确SQL命令是

A) DELETE FOR 年龄＞30
B) DELETE FROM student WHERE 年龄＞30
C) DELETE student FOR 年龄＞30
D) DELETE student WHERE 年龄＞30

填空题

选词填空（每小题2分，满分12分）

at times make a decision give up as a result divide into make phone calls

小题1:He got up late. _________ he didn’t catch the bus and went to school late.
小题2:Smoking did harm to Mike’s health. So last year he _______ smoking.
小题3:The cake ________ four parts. Eddie ate the biggest one.
小题4:He kept ________ ___________to his friends yesterday.
小题5:In summer we have noodles for dinner ________
小题6:Sorry, I’m afraid I have difficulty _____________.