限速器动作时，限速器绳的张紧力不得小于（）N。A、50B、100C、200D、300

中国药典规定凉暗处除避光外温度不应超过（）

A.4

B.10

C.15

D.20

E.30

Garden of small inventions

Visitors of all ages are invited to Port Discovery to see the new exhibit—a garden of small inventions, which features interactive activities and gadgets(小器械，小物件，小玩意) for the environmental protection. The exhibit runs through Sept.4. Fee is $10.75; free for ages younger than two. Contact 410-727-8120 or portdiscovery.org.

Rain-barrel workshop

The Parks and People Foundation presents a workshop on building water-efficient rain barrels for the home between 6pm-8pm on Wednesday at the foundation’s Stieff Silver Building. Cost is $50 and includes the barrel and all materials. Contact 410-448-5663, ext.109.

Pruning(修剪)plants

Visitors can attend a workshop on pruning plants between 9:30am-10am on Tuesday at Ladew Topiary Gardens. Visitors should meet in the Visitors Center at Ladew, Jarrettsville Pike, Monkton. $10; free for Ladew members, and includes admission to the gardens and the nature walk. Contact 410-557-9570 or www.ladewgardens.com.

Landscape exhibit

Photographs, paintings and drawings will be shown at Landscape and Nature—a view from Maryland, through Sept.9 at the University of Maryland. Opening reception is between 5pm-7:30pm on Tuesday. Contact 301-985-7937 or um.edu/art.

小题1:It will cost a couple with their newly-born baby________ to visit Port Discovery.

A．$ 30

B．$100

C．$21.5

D．nothing小题2:To learn how to make your flowers grow better, you will probably go to __________.

A．Port Discovery

B．Stieff Silver Building

C．Ladew Topiary Gardens

D．the University of Maryland小题3:You will call _______ to get information about learning something about art.

A．410-727-8120

B．410-448-5663

C．410-557-9570

D．301-985-7937小题4:Which activity is offered only on Wednesday according to the ads?

A．Garden of small inventions

B．Rain-barrel workshop

C．Pruning(修剪)plants

D．Landscape exhibit

对于 * * 前壁的支持组织，哪项不恰当（）

A.耻骨膀胱宫颈韧带起自耻骨联合后方及耻骨弓，沿膀胱底部向后外方伸展，附着手子宫颈前方

B. * * 前壁的支持组织主要为耻骨膀胱宫颈韧带

C. * * 周围的筋膜向上与围绕宫颈的筋膜连接且与圆韧带相汇合

D.宫颈两侧的主韧带对维持膀胱正常位置起重要作用

E.圆韧带与 * * 前壁支持组织关系不大

农业推广人员应具备怎样的综合素质？