（）不允许签约一户通。A.法人透支账户 B.基本户 C.专用账户 D.保证金账户

估算下面各式，在横线上填上＞、＜或=．

297×8______2500

480×3______1500

64×3______180．

     Have you ever stayed up late? If so, you know that not getting enough sleep can make you tried and

grumpy. Not sleeping enough sleep can also make it harder to think clearly the next day.

     Sleep scientists have long known that getting a good night's sleep is very important. It helps kids be

able to do their best during the day.

A recent study shows that sleep helps improve problem-solving skills and creative(创造性的) thinking.

For the study, two groups of students answered a math problem. The group that slept for eight hours

solved the problem correctly more often than the group that did not get enough sleep.

     While you sleep at night, your brain is busy doing its "homework". It sorts out(整理) all the information that you get in the day. Getting enough sleep each night can improve your thinking ability. That will surely

help you do your best at school. Experts say that, in return, can lead to better grades.            

1. The underlined word grumpy in the first paragraph means_______.

A. excited and happy                  

B. active and creative

C. impatient and angry                

D. bored and weak

2. Choose the best title for this passage.

A. Sleep to Success                    

B. A Recent Study

C. Do Sleep Well                      

D. The More Sleep, the Better

患儿李某，因发热3日到县医院就诊，门诊接诊医生张某检查后发现李某的颊黏膜上有考氏斑，初步诊断为麻疹。按照传染病防治法的规定，张某应当（）

A.嘱患儿家长带李某去市传染病医院就诊

B.请上级医生会诊，确诊后隔离治疗

C.向医院领导报告，确诊后由防疫部门进行转送隔离

D.向医院领导报告，确诊后对刘某就地进行隔离

E.在规定时间内，向当地防疫机构报告

退火使用的氮气中对其纯度的要求为（）

A.≥88.888％

B.≥90.888％

C.≥80.888％

D.≥77.888％

沥青混合料配合比设计的目的是确定（）和（）。