在高山雪地选择行进路线或宿营地点时，要警惕所选择的平地。因为在陡峻的高山地区，雪崩堆积区往往容易表现为相对平坦之地。()
查看答案
It can be inferred from paragraph 2 that
A. companies spend less money in PR than in advertisements.
B. advertising campaigns are independent from PR.
C. PR firms are planning to enlarge their business scopes.
D. advertising companies are lacking in core competitiveness.
倾听是每个咨询员的基本功，不会倾听的咨询员就不能称为咨询员。()
We learn from the text that texting is
A. more delicate and complicated than writing.
B. different from writing in grammatical uses.
C. responsible for the degradation of writing skills.
D. more of "talking" style. than "writing" style.
心理健康的统计学标准提供了心理特征的量化资料，比较客观，便于分析比较，操作简便易行，统计结果一目了然，也是最科学的。()
微信支付 
支付宝支付