一个时钟的分针长12厘米，它走1小时，分针的针尖所经过的路线的总长为______

短文改错。

Last winter vacation,some of my classmates decide to

                                                            1._________

travel with their friends, while I chose to take part-time

job                                                        2._________

to gain experience and earn some money. I learn from

my                                                         3._________

teacher that a nearby company was looking after students

                                                             4.__________

with good handwriting to write addresses on envelope. The

                                                              5._________

pay were 10 cents per envelope. I headed for the company,

                                                             6.__________

feeling sure l would easy finish 300 envelopes in five hours

and                                                       7._________

to earn the money. Actually,I only finished 200. Now, I

                                                             8.__________

fully understand how hard is to earn money. Getting out

                                                             9.__________

of the classroom is indeed necessary for we all.

                                                              10._________

紫草的功效是()

A．清热凉血，解毒散结

B．清热凉血，活血散瘀

C．凉血止血，解毒透疹

D．清热凉血，解毒安胎

E．清热凉血，祛瘀止痛

男，30岁。粘液脓血便伴里急后重2年。近1周腹痛加重，高热。体检：体温39.2℃，心率110次／分，贫血貌，腹部膨隆，全腹有压痛，肠鸣音消失。（以下2题共用题干）

该患者不宜选做的检查是（ ）。

A．血常规

B．血沉

C．免疫指标测定

D．钡剂灌肠

E．腹部B超

根据国际货币基金组织的规定，拥有外国企业股票超过25％的为（）

A.直接投资

B.间接投资

C.公共投资

D.私人投资

在给予病人营养支持时，空气栓塞可发生于

A．经口服喂养时
B．静脉穿刺置管过程中或导管塞脱落时
C．经胃造瘘管喂养时
D．经肠造瘘管喂养时
E．经静脉管喂养时