皮皮学，免费搜题
登录
搜题
【单选题】
设 f(x)= 2 e x-1 ，x＜2 log 3 1 ( x 2 -1) ，x≥2 则f（f（2））的值为（ ）A.
2e
B.
2e 2
C.
2
D.
2 e 2
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】绒毛膜促性腺激素的作用是
A.
在妊娠8～10周内维持妊娠
B.
在妊娠8～10周后继续维持妊娠
C.
增加淋巴细胞的活动达到“安胎”效应
D.
抑制黄体分泌孕酮
E.
降低母体利用糖，将葡萄糖转给胎儿
【单选题】'The turtle — along with a few other Cuora species — was once imported into China by the pet trade. ' in Paragraph 1 means______.
A.
the turtle is a wonderful animal in Chinese history
B.
it is a logical result that Chinese people treat turtles as pets
C.
long time ago, the turtle and some other Cuora species were brought into China as pets
D.
turtle is a delicate food treated by Chinese like a wonder
【多选题】6采用实际成本进行材料日常核算的企业,“原材料”科目用于核算各种库存资料的收发和使用情况。该科目()
A.
借方登记入库材料的实际成本
B.
贷方登记发出材料的实际成本
C.
期末余额在借方，反映库存材料的实际成本
D.
期末余额在贷方，反映企业多领的库存材料的实际成本
【单选题】What did the author s friends try to tell him?
A.
It is possible to live a car-free life.
B.
There is no need for expensive cars.
C.
A car is a necessary part of life.
D.
They' 11 follow him if he' s successful.
【简答题】Read the following passage and decide whether they are true (T) or false (F). Tourism is a modern business, or industry. In the days before inexpensive means of transportation, only the wealthy could ...
【单选题】绒毛膜促性腺激素的作用是
A.
抑制黄体分泌雌激素
B.
在早孕期刺激妊娠黄体的生成
C.
调节母体与婴儿的糖、脂肪及蛋白代谢
D.
抑制黄体分泌孕酮
E.
抑制母体排斥反应,维持妊娠
相关题目：
参考解析：
知识点：
题目纠错 0
发布
