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【单选题】
脂肪酸β-氧化包括连续四步反应,其反应顺序是
A.
脱氢、加水、再脱氢、硫解
B.
加水、脱氢、再脱氢、硫解
C.
硫解、脱氢、加水、再脱氢
D.
加水、脱氢、硫解、再脱氢
E.
硫解、加水、脱氢 、再脱氢
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参考答案:
举一反三
【单选题】代理报关企业是指( )
A.
专业报关企业
B.
船舶代理企业
C.
货代企业并向海关办理了注册登记手续
D.
已向海关办理了注册登记手续的进出口企业
【单选题】听力原文: For those of us lucky enough to always have enough food and water, it may be hard to imagine living through a drought. A drought occurs for a variety of reasons, usually including a lack of rain...
A.
cools
B.
air rises
C.
deserts
D.
warm
【单选题】The passage implies that it is easy to buy the following things in the country EXCEPT______.
A.
daily necessities
B.
fruits
C.
designer clothes
D.
vegetables
【单选题】It is very important ___people to have food and water every day.
A.
for
B.
of
C.
with
D.
about
【单选题】Which of the following things is NOT included in the process of application for membership?
A.
Fill in an application form.
B.
Get the application form. stamped at one's work unit.
C.
Pay a deposit.
D.
Pay library fee.
【单选题】上消化道出血最常见的病因是( )。
A.
肝硬化
B.
胰腺癌
C.
胃癌
D.
消化性溃疡
E.
食管癌
【单选题】上消化道出血最常见的病因是
A.
食管胃底静脉曲张破裂出血
B.
胃癌
C.
消化性溃疡
D.
急性胃粘膜损害
E.
Mallory-Weiss综合征
【多选题】报关企业是指( )。
A.
报关行
B.
船舶代理企业
C.
代理企业并向海关办理了注册登记手续
D.
已向海关办理了注册登记手续的进出口公司
【单选题】下列孔轴配合中选用恰当的有
A.
H5 / a5
B.
H6 / g5
C.
G6 / h7
D.
H8 / u9
【判断题】4. Tourists in Tibet might have trouble with the food and water.
A.
正确
B.
错误
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