皮皮学,免费搜题
登录
搜题
【单选题】
Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Announcement (1) Attention please: Bus service is available for all newly arrived passengers who need to be transported. Repeating. Bus service is available for all newly arrived passengers who need to be transported. The Beijing Bus Company March 6, 2005 Announcement (2) Attention, please. Flight PIA 137 from Rome will be 30 minutes late because of bad weather. Beijing International Airport April 12, 2005 Announcement (3) Announcer: Attention, please. Flight AF 206 from Pairs is late on account of engine trouble. It is stopping in Rangoon(仰光) for checking up. Further news will be announced later. Shanghai International Airport May 12, 2005 Announcement (4) Attention please: The 9:25 train to Oxford is now standing at Platform(站台) 15. Passengers are requested to board the train immediately. June 8, 2005 What does the first announcement tell us about newly arrived passengers?
A.
They need to wait for another bus.
B.
They will transfer from one bus to another.
C.
They can get on to the bus now.
D.
They have to wait for some time.
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】既能善补肾阳,益精血,补肺气,益肺阴,兼能止血化痰的药物是( )
A.
核桃肉
B.
冬虫夏草
C.
蛤蚧
D.
紫河车
E.
阿胶
【单选题】设 (X,Y) 的联合分布律如下表所示,且 X 与 Y 相互独立,则 a,b,c 满足
A.
b=0.2
B.
b=2a=2c
C.
b=c
D.
a=2c
【单选题】功能益肾补肺、止血化痰的药物是
A.
紫河车
B.
冬虫夏草
C.
蛤蚧
D.
菟丝子
【单选题】设 (X,Y) 的联合分布律如下表所示,且 X 与 Y 相互独立,则 a,b,c 满足
A.
b=2a=2c
B.
a=0.3
C.
b=c
D.
b=0.2
【单选题】关于精子细胞的描述中,哪一项错误
A.
由次级精母细胞分裂分化而成
B.
经有丝分裂形成精子
C.
染色体核型为23,X或23,Y
D.
体积小,圆形;核园,染色深
E.
细胞内含线粒体、高尔基复合体和中心粒
【单选题】关于精子细胞的描述中,哪一项错误
A.
经有丝分裂形成精子
B.
由次级精母细胞分裂分化而成
C.
染色体核型为23,X或23,Y
D.
体积小,圆形;核园,染色深
E.
细胞内含线粒体、高尔基复合体和中心粒
【单选题】关于精子细胞的描述中,哪一项错误
A.
由次级精母细胞分裂分化而成
B.
经有丝分裂形成精子
C.
体积小,圆形;核圆,染色深
D.
细胞内含线粒体、高尔基体和中心粒等
【判断题】公共关系传入我国内地大致在20世纪90年代。( )
A.
正确
B.
错误
【简答题】关于精子细胞的描述中,哪一项错误A. 经有丝分裂形成精子
【单选题】能益肾补肺、止血化痰的药物是
A.
沙苑子
B.
杜仲
C.
续断
D.
冬虫夏草
E.
狗脊
相关题目: