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【判断题】
链传动通常放在传动系统中的高速级。A.
正确
B.
错误
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举一反三
【单选题】It is believed that the tight employment market has forced job seekers to_______whatever work is available.
A.
take up
B.
take down
C.
take off
D.
take on
【单选题】What is NOT mentioned about Valentine's family buffet?
A.
It is open on weekends.
B.
It is available for special s.
C.
It serves alcoholic drinks.
D.
It includes a dessert section.
【简答题】(8分)判断含氧酸强弱的一条经验规律：含氧酸分子结构中含非羟基氧原子数越多，该含氧酸的酸性越强。几种实例如下表所示。 次氯酸 磷酸 硫酸 高氯酸 含氧酸 非羟基 氧原子数 0 1 2 3 酸性 弱酸 中强酸 强酸 最强酸 (1)亚磷酸(H 3 PO 3 )和亚砷酸(H 3 AsO 3 )的分子式相似，但它们的酸性差别很大。亚磷酸是中强酸，亚砷酸既有弱酸性又有弱碱性，由此可推出它们的结构式分别为： ...
【单选题】Your network consists of a single Active Directory domain. All computers on the network are joined to the domain. You have a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Yo...
A.
Log on to Server1 as a local administrator. Create a shortcut to App1 in the Default User profile.
B.
Log on to Server1 as a local administrator. Create a shortcut to App1 in the All Users profile.
C.
In the Netlogon share on a domain controller, create a folder named Default User. Create a shortcut for App1 in the new folder.
D.
In the Netlogon share on a domain controller, create a folder named All Users. Create a shortcut for App1 in the new folder.
【单选题】New information about medicines
A.
is updated by the manufacturers twice a day.
B.
is made available to customers by AHL personnel.
C.
is given direct to customers by manufacturers.
【单选题】(2018 山东春考 ) It’s raining hard. We have to the sports meeting till next week
A.
put up
B.
put on
C.
put off
D.
put away
【单选题】They usually have lunch at school, ________? [ ]
A.
haven't they
B.
do they
C.
don't they
D.
have they
【单选题】—“Could I see Doctor Huang tomorrow?” the patient asked. —“ ” the nurse said politely, “He is only available today since this evening he will fly to Boston for a three-day meeting.”
A.
Not likely.
B.
Not exactly.
C.
Not nearly.
D.
Not really.
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