题型:单项选择题 前列腺指诊慢性前列腺炎的特点:A.前列腺缩小,质坚韧光滑无压痛B.前列腺增大,中央沟消失,无压痛C.前列腺增大,质不均,无弹性及压痛D.前列腺肿胀饱满,并有明显压痛E.前列腺大小正常,或稍大或稍小,硬度增加或有结节可有压痛 查看答案
题型:填空题 Read the article, and fill in the blankets with the words given.A. avoided B. bother C. frequently D. accumulating AB. great AC. poisoning AD. fit BC. experts BD. gently CD. prevent Computer keyboards can get dirty just like other 1_____ -touched items such as door knobs and money. But beyond just looking dirty, a filthy (肮脏) keyboard might actually make you sick. A 2008 study showed that keyboards can be up to five times dirtier than the average toilet seat. How come? Too often, people don't 2_____ to wash their hands after using the restroom or eating at their desks. In thelatter case, sticky fingers transfer sauces and crumbs (食物碎屑)onto and between the keys. Also, our fingers rub skin oils onto the keys. Thus, a keyboard can become a 3_____ place for germs to grow. One common bug that researchers have found is staphylococcus aureus (金黄色葡萄球菌). It is a classic cause of food 4_____, signs of which include nausea (恶心) and diarrhea (腹泻). Stomach sicknesses causedby typing on a dirty keyboard have been dubbed "qwerty tummy" after the "Q-W-E-R-T-Y" keys on akeyboard. The threat posed by a dirty keyboard is quite real, but it can be 5_____. The easiest way is to clean yourkeyboard regularly. Office cleaning 6_____ say that keyboards should be unplugged, turned upside down and shaken 7_____. By doing so, you can get rid of most of the crumbs. After that, wipe across the keys using a soft cloth with a cleaning solution (清洁剂). Another way to solve the problem is using a silicon (硅胶) keyboard cover. These thin covers are made to 8_____ over the keys. They prevent food from falling through the cracks and dust from 9_____. 查看答案
题型:多项选择题 支票存款较之现金有下列特点()。A.不容易丢失和被窃B.便利大额交易,可以节约流通费用C.支票可按所需金额签发,从而免去了找零和清点的麻烦D.由于有银行信用的支持,更容易被人接受E.具有无限法偿的能力 查看答案
题型:单项选择题 香蕉保护眼睛的功能首先和其中富含钾 (148) 。人体摄入盐分过多,会导致细胞中存留大量的水分, (149) 眼睛红肿。香蕉中的钾 (150) 帮助人体排出这些多余的盐分,让身体达到钾钠平衡, (151) 眼睛的不适症状。A.有关 B.有用 C.作用 D.不同 查看答案