为避免哌唑嗪“首剂现象”采取的措施是A．饭后服用 B．饭前服用 C．小剂量睡前服用

阅读短文，判断正误。正确的写“T”，错误的写“F”。

     "Tell me what are you going to do on Sunday morning, Jim ," Mr.Wang asks." I'm going to see a

new film. It's an English film about the life of the students in America. Bill tells me it's very interesting."

     "After seeing the film, what are you going to do?" Mr. Wang wants to know."I'm going to read

Chinese," Jim says."Do you like it?" asks Mr. Wang."Chinese is not easy for me, but I like it very much.

I am going to work hard at it. After lunch I'm going to have English and other subjects (科目). I think I

can do better than before."

     "Then, what about Sunday evening?" Mr. Wang asks."After supper I'm going to help Han Meimei

with her English. She wants my help," Jim says.

     "You are going to have a busy day, aren't you?" says Mr. Wang.

( )1. Jim's father wants to know what Jim is going to do next Sunday.

( )2. Jim is going t o see an Engl ish film on Sunday morning.      

( )3. The film is about the life of American farmers.                

( )4. Jim thinks Chinese is easy for him.                            

( )5. Han Meimei wants Jim to help her with her Chinese.            

妊娠早期的黑格征(Hegar'ssign)是指

A．双合诊时子宫呈前屈或后屈位

B．子宫前后径变宽，略饱满呈球形

C．双合诊时感到子宫半侧较另半侧隆起

D．子宫增大变软

E．双合诊检查发现子宫峡部极软，宫颈和宫体似不相连

如图所示，内壁及碗口光滑的半球形碗固定在水平面上，碗口保持水平．A球、C球与B球分别用两根轻质细线连接，当系统保持静止时，B球对碗壁刚好无压力，图中=30°，则A球、C球的质量之比为（　　）

A．1：2

B．2：1

C．1：

D．

Over the last 20 years, the village has changed so much that I can hardly________ it now.[      ]

A. know  

B. pick

C. recognize  

D. realize

技术开发合同中，因出现无法克服的技术困难，致使研究开发失败或者部分失败的，应合理分担风险。下列关于风险分担的说法不正确的是( )

A．风险责任可以由当事人约定
B．当事人不能约定的由当事人合理分担
C．一方出现前述问题时，应当及时通知另一方当事人并采取适当措施减少损失
D．没有及时通知并采取适当措施，致使损失扩大的，应就全部损失承担责任