摘要：关

网址：http://m.1010jiajiao.com/timu3_id_2384170[举报]

关于减压提建议

查看习题详情和答案>>

关于贮精囊（ seminal vesicle ）和纳精囊（ seminal receptacle ）的叙述，错误的是：

A.
贮精囊是自体精子贮精和发育的器官，纳精囊主要接受异体精子
B.
纳精囊是自体精子贮精和发育的器官，贮精囊主要接受异体精子
C.
贮精囊和纳精囊是贮存精子的不同器官的名称
D.
每条环毛蚓都同时具有这二种器官

查看习题详情和答案>>

关键词语选择。

(     )1. A. cat
(     )2. A. 83662817
(     )3. A. flood
(     )4. A. sense
(     )5. A. playing with

B. cow
B. 83662617
B. fruit
B. science
B. chatting with

C. cash
C. 83262817
C. front
C. since
C. fighting with

查看习题详情和答案>>

关键词语选择。
你将听到五个句子。请在每小题所给的A、B、C 三个选项中选出你所听到的单词或短语。
每个句子读两遍。

(     )1. A. probable
(     )2. A. with
(     )3. A. population
(     )4. A. grow
(     )5. A. get on with

B. possibly
B. visited
B. education
B. green
B. keep up with

C. probably
C. weather
C. translation
C. great
C. catch up with

查看习题详情和答案>>

关键词语选择。

(     )1.A. pair
(     )2.A. safe
(     )3.A. short
(     )4.A. go swimming
(     )5.A. made of

B. pear
B. soft
B. shirt
B. go skating
B. made from

C. pie
C. salt
C. shut
C. go shopping
C. made in

查看习题详情和答案>>