[单项选择]The diabetic patients had better do the kind of exercise that ______. A. makes the heart work harder B. is more beneficial for their nerves C. warm up their body first D. is free from any kind of intense movement
参考答案:C 答案解析:[题解] 文章中提到"No matter what kind of exercise you do,you should Warm up before you...”。
第5题: [单项选择]关于女性尿道的描述,错误的是() A. 长约3~5cm B. 紧位于阴道后壁的后方 C. 其形态特点是宽、短、直 D. 穿过尿生殖隔 E. 易引起逆行感染 参考答案:B 答案解析:女性尿道起于膀胱的尿道内口,止于阴道前庭的尿道外口,长约4cm,管径6mm,易于扩张。女性尿道前方为耻骨联合,后方紧贴阴道前壁,穿过尿生殖隔时,被尿道阴道括约肌(尿道外括约肌)环绕,此肌为横纹肌,可受
第13题: [单项选择]角膜组织学上分5层,其中损伤后可再生的组织有() A. 前弹力层、基质层 B. 上皮细胞层、后弹力层 C. 基质层、内皮细胞层 D. 后弹力层、内皮细胞层 E. 前弹力层、上皮细胞层 参考答案:B 答案解析:本题为基础知识题。角膜上皮层再生能力强,损伤后可以完全再生,不留瘢痕。角膜前弹力层和实质层不具有再生能力,损伤后由瘢痕组织替代。角膜后弹力层由角膜内皮细胞分化而来,损伤后可以再生。在成人,角膜内皮层损
第16题: [单项选择]The morning news says a school bus ______ with a train at the junction, and a group of policemen were sent there immediately. A. bumped B. crashed C. collided D. struck 参考答案:C 答案解析:[分析] 近义辨析
A.bump碰撞,撞伤;例:In the dim light he couldn't see clearly and ran bump into a tree.昏暗中他看不清,一