产褥中暑需要与下列哪些疾病进行鉴别 A．产后子痫 B．败血症 C．产褥感染 D．产褥

根据课文内容，判断下列句子正误，正确的写"T"，错误的写"F"。

( ) 1. Grandma phoned Amy on Sunday.

( ) 2. Grandma cooked chicken for lunch.

(     ) 3. Grandma and Grandpa walked in the park.

(     ) 4. Sam helped his mother.

(     ) 5. Amy played on the computer.

(     ) 6. Dad watched TV.

(     ) 7. Tom helped his mother.

(     ) 8. Amy did her homework.

下列各项不属于垂直沟通的是（）。

A.生产经理听取质检员报告

B.员工向人事经理投诉

C.财务经理与营销经理交换信息

D.总经理参加新进员工欢迎会

力度是指什么？

蜀国派使臣到东吴议和，吴国派谁去西蜀答礼？

对热酸试验的试样有何要求？常用浸蚀剂及时间？