4.From the anatomical position, turning the palm to face the body is an example of … A: lateral rotation B: circumduction C: medial rotation D: adduction E: flexion

删除表teacher(id,name,gender,birthday,score)中id为4的老师( ) A: delete from teacher; B: delete from teacher where id = 4; C: delete teacher where id = 4; D: drop from teacher where id = 4;

What are the suggestions from the consultants in Lesson 4?

4 Complete the sentences. ► Worldwide means all over the world. 1 The noun from long is ________. 2 A synonym for circuit is ________. 3 The noun from wide is ________. 4 The opposite of minimum is________. 5 The noun from deep is ________. 6 The noun from construct is ________. 7 One journey round a track is a ________.

for i from 1 to 4 可以执行4次。

What can we infer from Paragraph 4?

We __________ (have) a meeting from 3 to 4 this afternoon.

检索选课人数少于4人的课程号。正确的SQL语句是( ) A: SELECT CNO FROM SC WHERE COUNT(*)<;4 B: SELECT CNO FROM SC GROUP BY CNO HAVING COUNT(*)<;4 C: SELECT DISTINCT CNO FROM SC ORDER BY CNO D: SELECT CNO FROM SC WHERE COUNT(CNO)<;4

It can be learned from Paragraph 4 that the income in the state sector is

以下哪个语句不能查询出结果（） A: select*from订单where销售数量>5orderby销售金额 B: select*from订单where销售数量>5and销售数量<4 C: select*from订单groupby销售金额 D: select*from订单where销售数量>5or销售数量<4