自身缠绕的攀援植物具有吸盘。

请根据下列提示写一句相关的古诗词。

(1)写朋友之情的：                                     ，                                       。

(2)赞美祖国山川的：                                     ，                                        。

(3)咏物言志的：                                    ，                                       。   

(4)蕴涵人生哲理的：                                     ，                                       。

I know Thanks giving Day is traditional (传统的)in your country. But what’s   the reason__________ the holiday?[ ]

A. on      

B.of      

C.for      

D. to

大型零件划线时（）困难。

A．吊装 

B．支承 

C．找正 

D．安置 

E．调整

检索选修四门以上课程的学生总成绩(不统计不及格的课程)，并要求按总成绩的降序排列出来。正确的SELECT语句是( )。

A．SELECT S#，SUM(GRADE)FROM SC
WHERE GRADE＞=60
GROUP BY S#
ORDER BY 2 DESC
HAVING COUNT(*)＞=4
B．SELECT S#，SUM(GRADE)FROM SC
WHERE GRADE＞=60
GROUP BY S#
HAVING COUNT(*)＞=4
ORDER BY 2 DESC
C．SELECT S#，SUM(GRADE)FROM SC
WHERE GRADE＞=60
HAVING COUNT(*)＞=4

GROUP BY S#
ORDER BY 2 DESC
D．SELECT S#，SUM(GRADE) FROM SC
WHERE GRADE＞=60
ORDER BY2 DESC
GROUP BY S#
HAVING COUNT(*)＞=4

二十六岁初产妇，妊娠38周，枕左前位。阵发性腹痛，宫缩10分钟1次，持续40秒，宫口开大2cm。

此时的处理原则应是（）

A.静脉滴注缩宫素

B.肌内注射哌替啶100mg

C.人工破膜

D.肌内注射麦角新碱

E.立即行剖宫产术