患者就诊前一个月内发作一次或数次静息心绞痛及梗死后心绞痛，发作时ST段下移>1mm，持续时间<20分钟，临床称（）

[多选题]下列应税凭证中，可免纳印花税的有()。

[问答题]For a clearer picture of what the student knows, most of　　　　　　　   1．______teachers use another kind of examination in addition to objectivestests. They use“essay”tests, which require students to write longanswers of broad, general questions. One advantage of the essay　　　　　　2．______test is that it reduces the element of lucky. The students cannot get　　  3．______high score just by making a lucky guess. Other advantage is that it　　　　4．______shows the examiner more about the student’s ability to put factstogether into a meaningful whole. It should show how deeply he　　　　　　 5．______has thought of the subject. Sometimes, though, essay tests havedisadvantages, either. Some students are able to write good　　　　　　　　6．______answers without really knowing much about the subject, as other　　　　　　7．______students who actually know the material have trouble to express　　　　　  8．______their ideas in essay form.　　Besides, on an essay test the student’s score may depend onthe examiner’s feelings at the time of reading the answer. If he isfeeling tired or bored, the student may receive a lower score thanhe should. Another examiner reading the same answer might give itmuch high mark. From this standpoint the objective test gives each　　　 　9．______student a fairer chance.When an objective test or an essay test are used, problems　　　　　　　 10．______arise. When some objective questions are used along with someessay questions, however, a fairly clear picture of the student’sknowledge can usually be obtained.

[填空题]匈奴职权以____为最高统治者，称为“撑犁孤涂旦单于”。

[单选题]CA153的半衰期是（）。

[多选题]生产线的退料对象包括以下几项？（）

[填空题]预应力筋穿束前应用（）冲洗孔道内杂物，观查孔道内有无串孔现象。用风吹干孔道内水份。

[多选题]柔性接触网承力索和接触线的张力和弛度应符合安装曲线规定的数值。其弛度误差不大于下列数值：（）。

[单选题]属于骨盆出口狭窄的是（）

[单选题]利用实物工程量中的综合人工系数计算总工日在劳动力总量需求计划中的编制方法是（）

[问答题]咳嗽变异性哮喘的定义 。