下列情况应及早行胃镜检查，但不包括（） A.50岁男性，近期出现消化不良、呕吐、黑便

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。注意：把该题答案填写到答题纸上。

Getting your children to study can be a little like getting them to eat their vegetables.

小题1: Make a study time and have it at the same time every day. This will help your kids to learn to schedule their day and will give them a sense of control over how they spend their time.

Allow them to study in blocks of time, such as for half an hour with a five-minute break in the middle. 小题2:  Ideal （理想的）study times are after dinner or right after school before dinner.

Never allow your children to study in front of the television, as that will encourage passive activity. 小题3:

You’ll also need to help your kids find the right place to study. After you’ve set up a good study time for little learners, set up a good place where they can get those creative juices flowing.

小题4:Make sure there is a table or a desk and a comfortable chair.

小题5: This includes helping them out with their homework sometimes and being there for them with the answers to any questions. The input you give your children during study periods will help form a bond and help make studying enjoyable.

A．Pick a place where your children can study properly.

B．Hold them to the schedule they create for themselves.

C．Finally, spend time with your kids when they’re studying.

D．Keep the atmosphere light and offer lots of encouragement, too.E. Instead, use TV as a treat or a reward when the homework is completed.

F. Try to stop this bad habit by offering some sort of reward.

G. One of the best ways to form good study habits for your kids is to design a schedule that they keep to.

肺炎链球菌肺炎的典型表现为（）

A.寒战、高热

B.患侧胸痛

C.咳嗽、咳铁锈色痰

D.起病急骤，呈急性病容

E.起病早期有明显肺部体征

The library ________its hours to meet the needs of the students during the final exam period. [ ]

A. arranges  

B. adapts  

C. adjusts  

D. varies

临床诊断脊柱结核，下列哪项指标最有价值

A．局部疼痛肿胀

B．X线摄片

C．穿刺液作结核菌培养

D．消瘦、贫血、盗汗及食欲不振

E．结核菌素试验

发电机的极对数和转子转速，决定了交流电动势的频率。（）