【单选题】【消耗次数:1】
In June 1941 Hitler suddenly ______ an attack on Russia.
launched
exerted
developed
created
参考答案:
复制
纠错
相关题目
【单选题】 In June 1941 Hitler suddenly launched an attack ______ Russia.
①  for
②  to
③  on
④  against
【单选题】 Hitler was wrong and we should ______ to help Russia.
①  go out all@go all out
②  make out all
③  make all out
【单选题】 Hitler was however wrong and we should ______ to help Russia.
①  make all out
②  make out all
③  go all out
④  go out all
【单选题】 When I awoke on the morning of Sunday, the news was brought ______ me ______Hitler’s invasion of Russia.
①  for…of
②  to…on
③  to… of
④  for… on
【单选题】 More local ( )will be created, particularly in service industries.
①  employee
②  ?employ
③  ?employer
④  ?employment
【单选题】 Our country is trying to _____ the serious problems created by the environment al pollution.
①  comply with
②  cope with
③  cope to
④  comply to
【多选题】 Suddenly,_____________ , a good idea came to her.
①  to her disappointment
②  to her great joy
③  to her surprise
④  to her delight
【单选题】 Granny?suddenly?returned [填空]?night.
①  on
②  at
③  ?in
④  during
【单选题】 Chinahas launched a number of ____satellites since the 1970s.
①  information
②  Communication
③  TV
④  message
【单选题】 As he had heart attack, he was told that he_____ continue the work.
①  needn’ t
②  may not
③  mustn’ t
④  can’ t
随机题目
【单选题】 下列烃的命名哪个是正确的?
①  乙基丙烷
②  2-甲基-3-乙基丁烷
③  2,2-二甲基-4-异丙基庚烷
④  3-甲基-2-丁烯
【单选题】 甲烷中混有乙烯,欲除乙烯得到纯净的甲烷,最好依次通过盛有哪些试剂的洗气瓶
①  澄清石灰水、浓硫酸
②  KMnO4酸性溶液、浓硫酸
③  溴水、浓硫酸
④  浓硫酸、KMnO4酸性溶液
【单选题】 在下列化合物中,最容易进行亲电加成反应的是
①  CH2=CHCH=CH2
②  CH3CH=CHCH3
③  CH3CH=CHCHO
④  CH2=CHCl
【单选题】 对映异构体产生的必要和充分条件是 ( )
①  分子中有不对称碳原子
②  分子具有手性
③  分子无对称中心
【判断题】 对称轴的对称操作是反演
①  正确
②  错误
【判断题】 乙烯和乙炔都能使溴水褪色,但乙炔反应时消耗的Br2要比等物质的量的乙烯少。
①  正确
②  错误
【判断题】 对称面的对称操作是反映
①  正确
②  错误
【判断题】 环丙烷和环丁烷都可以用镍作催化剂,常压下加氢变成丙烷和丁烷。
①  正确
②  错误
【判断题】 所有卤代烃都是难溶于水,密度比水小的液体
①  正确
②  错误
【判断题】 分子式为C5H10的烯烃化合物,其异构体数为6个。
①  正确
②  错误