精液稀释液中的保护性物质主要包括()、()和()等几类。
参考答案:缓冲剂,抗冻物质,抗菌物质
翻译题
1. The small island is _________(在亚洲东南部).
2. In an English-speaking country, it is_________(练习英语的好地方).
3. Maybe you fear that you won't be able to find _________ (吃的东西)in a foreign country.
4. It might ________(去动物园似乎很奇怪) when it's dark.
5. The temperature is almost ________(全年一样)in Singapore.
6. ________ (参观……最好的时间) Singapore in autumn.
销售人员利用SPIN法了解客户背景知识的目的是()
A.增进与客户的密切关系
B.挖掘客户的潜在需求
C.确定客户的性格类型
D.寻找接近客户的方式