洋甘菊
驾驶车辆汇入主干道车流时,应提前开启转向灯,()。 ["不用观察直接汇入车流","强行汇入车流","仔细观察,确认安全后汇入车流","加速汇入.连续变更车道"]
内疝是指肠管嵌入何处的一种病症() ["嵌在接近十二指肠空肠连接部","嵌入小网膜囊","接近盲肠部","先天性粘连带","上述任何一种都可能"]
测定食品中的磷可以选用() ["原子吸收分光光度法","钼蓝比色法","双流腙比色法","硫氰酸钾法","2,3-二氨基萘荧光光度法"]
巨幼细胞性贫血MCV、MCH、MCHC的改变通常是()。 ["MCV增高、MCH增高、MCHC增高","MCV增高、MCH增高、MCHC正常","MCV减低、MCH增高、MCHC正常","MCV减低、MCH减低、MCHC正常","MCV减低、MCH减低、MCHC减低"]
举例说明阴声韵、阳声韵、入声韵。