与常规的计算机相比，生物计算机具有密集度高的突出优点。______用DNA分子制成生

Complete the sentences with the given words in their proper forms

小题1:It’s strange the two ________ took place at the same time on the same day. (robbery.

小题2:I have already checked the bag ________, but there is no sign of your glasses. (two.

小题3:Most students were encouraged by the headmaster’s ________ on the first day of school.  (speak.

小题4:Eating strong smell food on buses or the underground usually makes people ________. (happy.

小题5:________, all the money I lost on the train was returned to me. (lucky.

小题6:________ art festivals are organized every year around the world. (France.

小题7:Mathew wanted to build a ________ dog house for his pet dog, Snowball. (wood.

小题8:It’s necessary to ________ the narrow road to avoid traffic jam. (wide.

甲将工程机械供给乙使用，乙却将该工程机械卖给丙。依据我国《合同法》的规定，乙丙之间买卖工程机械合同的效力是( )。

A．有效

B．无效

C．效力待定

D．可变更或撤销

呼吸异常的表现除外()

A．咳嗽

B．屏气

C．喉痉挛

D．呼吸过缓

E．横膈上移

财税库银横向联网的“三方协议”一般由（）签订。

A.人民银行国库

B.纳税人

C.税务机关

D.商业银行

什么是烟叶的机械强度？