【单选题】【消耗次数：1】
As man moves into the space age, the study of biological rhythms is of increasing____________ to travellers, pilots, the armed forces and astronauts.
①
importance
②
important
③
importantly
④
import
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【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”As man moves into the space age, the study of biological rhythms is of increasing important.
①
正确
②
错误
【单选题】
_____ had an evident influence on naturalism. It seemed to stress the animality of man, to suggest that he was dominated by the irresistible forces of evolution.
①
Transcendentalism
②
Darwinism
③
Marxism
④
Freudianism
【单选题】
What makes Jane Eyre one of the most popular and important novels of the Victorian Age are the followings except_____.
①
it is noted for its sharp criticism of the existing society
②
it is an intense moral fable
③
it is the first introduction to the English novel the first governess heroine
④
Jane Eyre is too timid to love her master Rochester.
【单选题】
24.All the President’s Men _____ one of the important books for scholars who study the Watergate Scandal.
①
remains
②
remained
③
remain
④
is remaining
【单选题】
We only ( ) notes and travellers cheques.
①
exchanger
②
exchanges
③
exchangeable
④
exchange
【单选题】
It was in 1969 ____ the American astronauts succeeded in landing on the moon.
①
when
②
the moment
③
which
④
that
【单选题】
They dont____________ the importance of this problem.
①
understands
②
understood
③
understanding
④
understand
【单选题】
设有关系表S(NO，NAME，AGE)，其中AGE为年龄字段，则表达式AGE NOT BETWEEN 18 AND 24 等价于（ ）
①
A.AGE=18 or= age==24
②
B.AGE=18 or= age=24
③
C.AGE18 or= age==24
④
D.AGE18 or= age=24
【单选题】
设有关系表S(NO，NAME，AGE)，其中AGE为年龄字段，则表达式AGE NOT BETWEEN 18 AND 24 等价于（ ）
①
AGE=24
②
AGE24
③
AGE=24
④
AGE24
【单选题】
The travellers have suffered many hardships and ____________ many difficulties.
①
undergo
②
undergoes
③
undergone
④
underwent
随机题目
【多选题】
下列是防治青霉素过敏反应措施的是
①
详细询问病史、用药史、药物过敏史、家族过敏史
②
做皮肤过敏试验
③
皮试液应临时配置
④
避免饥饿时用药，注射后观察20-30分钟
⑤
一旦发生过敏性休克，应立即皮下或肌内注射肾上腺素，严重者稀释后静滴
【单选题】
下列有关大环内酯类抗生素的叙述，错误的是
①
作用机制为抑制菌体蛋白质合成
②
属杀菌剂
③
抗菌谱较广
④
红霉素的抗菌谱与青霉素有相似之处
⑤
本类抗生素之间有交叉耐药性
【单选题】
红霉素的抗菌作用机制是
①
影响胞浆膜的通透性
②
与核糖体30s亚基结合，抑制蛋白质的合成
③
与核糖体50s亚基结合，抑制移位酶的活性
④
与核糖体50s亚基结合，抑制肽酰基转移酶的活性
⑤
特异性抑制依赖于DNA的RNA多聚酶活性
【单选题】
对四环素的抗菌作用机制是
①
影响胞浆膜的通透性
②
与核糖体30s亚基结合，抑制蛋白质的合成
③
与核糖体50s亚基结合，抑制移位酶的活性
④
与核糖体50s亚基结合，抑制肽酰基转移酶的活性
⑤
特异性抑制依赖于DNA的RNA多聚酶活性