第7题: [填空题]According to the passage, the people’s living of many countries could be seriously threatened by ______. 参考答案:the loss of soil fertility 答案解析:[详细解答] 由第四段第五句“Soil erosion results in loss of soil fertility and maintaining soil fertility is cons
第11题: [单项选择]Why does the man mention his friend Brian A. To introduce the woman to someone who has researched blushing. B. To illustrate the benefits of a public-speaking class. C. To give an example of someone who blushes easily. D. To explain a way to overcome blushing. 参考答案:C
第12题: [单项选择]还应检查 A. 心电图 B. 肌电图 C. 白细胞分类 D. 脑脊液 E. 抗链球菌激酶 参考答案:A
第28题: [单项选择]用人单位可聘用的外国人,聘用期限不得超过( )。 A. 3年 B. 5年 C. 10年 D. 15年 参考答案:B 答案解析:[解析] 用人单位应在被聘用的外国人入境后15日内,持许可证书、与被聘用的外国人签订的劳动合同(聘用期不得超过5年)及其有效护照或能代替护照的证件到原发证机关为外国人办理就业证,并填写《外国人就业登记