第23题: [单项选择]心内膜心肌活检术的最常用途径() A. 右颈内静脉途径 B. 右股静脉途径 C. 右股动脉途径 D. 开胸途径 E. 经皮穿刺活检 参考答案:A
第24题: [单项选择]I have been trying to {{U}}quit{{/U}} smoking. A. give up B. pick up C. build up D. take up 参考答案:A 答案解析:[解析] “我已经开始戒烟了。”give up:放弃,如:He had to give up his studies through lack of money. 由于没有钱,他不得不辍学。pick