以下哪些纠纷适用最高人民法院《关于审理信用证纠纷案件若干问题的规定》：A．开证申请人

用所给词的适当形式填空。

l. If _____ (impossible), I want to buy a robot and let it do housework for me.

2. —Where were you when I called you yesterday morning?

    —I was in the _____ (barber) chair.

3. Yao Ming is _____ (certainly) that he will be in London for the 2012 London Olympic Games.

4. I couldn't fall _____ (sleep) last night because there was too much noise near my house.

5. I _____ (sincere) hope that you can get a good grade in this math test.

黄芩是清热解毒药，含有的主要抗菌消炎的有效成分是（）

A.槲皮素

B.木樨草素

C.芦丁

D.黄芩苷

E.黄芩素

分户验收所做的给水管道及配件安装工程通水及压力试验，要求给水管道末端应保持水压在0.05～0.35MPa范围内，保压（）小时后每户逐一打开用水点，检查卫生器具、阀门及给水管管道及接口不渗不漏；室内各用水点放水通畅，水质清澈。

A.6

B.8

C.12

D.24

组成股神经的脊神经为

A．L_{2～4
B．L5～S1
C．L1～3
D．C5～T1
E．C6～T1}

处理道岔故障时应注意哪些问题？