【单选题】在Elsevier Sciencedirect数据库检索中,以下说法正确的是:() A. 使用“”检索符检索“heart-attack”的检索结果是heart-attack B. 使用{}检索符检索{ heart-attack }的检索结果是heart attack C. 二个位置算符不能出现在同一检索式中,除非使用括号 D. 位置算符与所连接的检索词或短语前后不需要空格
【单选题】在Elsevier Sciencedirect数据库检索中,以下说法正确的是:() A. 使用“”检索符检索“heart-attack”的检索结果是heart-attack B. 使用{}检索符检索{ heart-attack }的检索结果是heart attack C. 二个位置算符不能出现在同一检索式中,除非使用括号 D. 位置算符与所连接的检索词或短语前后不需要空格
The drop of the number in heart attack h...ado shows__________.
The drop of the number in heart attack h...ado shows__________.
He at the meeting, but his heart attack prevented him.
He at the meeting, but his heart attack prevented him.
Jim () the heart attack thanks to the prompt first aid treatment.
Jim () the heart attack thanks to the prompt first aid treatment.
What are atypical symptoms of a heart attack common in younger women?
What are atypical symptoms of a heart attack common in younger women?
He had shown no signs of being in pain __________ suffering the heart attack and collapsing.
He had shown no signs of being in pain __________ suffering the heart attack and collapsing.
according to the sentence :"Breaking out in a sweat, feelings of nausea, and feeling lightheaded are warning signs of a heart attack.", warning signs of a heart attack include:
according to the sentence :"Breaking out in a sweat, feelings of nausea, and feeling lightheaded are warning signs of a heart attack.", warning signs of a heart attack include:
suffer a_____ A: heart attack B: take sb. by surprise C: take care of D: pour into
suffer a_____ A: heart attack B: take sb. by surprise C: take care of D: pour into
You'll soon _________ it. A: get the hang of B: heart attack C: major in D: carry on
You'll soon _________ it. A: get the hang of B: heart attack C: major in D: carry on
______ and ______ shouldn't use the sauna. A: people with heart attack B: pregnant women C: 8-year-old children
______ and ______ shouldn't use the sauna. A: people with heart attack B: pregnant women C: 8-year-old children