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【单选题】
COPII参与的蛋白质运输过程是A.
内质网体
B.
体-内质网
C.
胞质溶胶一线粒体
D.
内吞作用
E.
体→溶酶体
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举一反三
【单选题】The rivers and forests of the New World were ______ with fish and game.
A.
sufficient
B.
enough
C.
adequate
D.
abundant
【单选题】The soil in this part of the world is not rich enoug h to _____ a large population.
A.
sustain
B.
dwell
C.
conceive
D.
recoil
【单选题】The soil in this part of the world is not rich enoug to _____ a large population.
A.
sustain
B.
dwell
C.
conceive
D.
recoil
【简答题】若是单杆活塞式液压缸差动连接时的运动速度等于有杆腔进油时的反向运动速度,则活塞杆的直径 d 与缸筒内径 D 之间的关系是 d= D。
【单选题】Which of the following is true, according to the conversation?
A.
His roommate is kind enough to freeload.
B.
His roommate is reimbursing for grocery.
C.
His roommate is taking advantage of him.
D.
His roommate is not honest enough to go straight.
【单选题】有关医疗用气雾剂的抛射剂的质量要求,错误的是:()
A.
常压下沸点低于40.6℃
B.
常温下蒸汽压应小于大气压
C.
不易燃、不易爆
D.
无致敏性
E.
来源广、价格便宜
【单选题】The project will have to be given up _______________ the government agrees to invest enough money.
A.
unless
B.
if
C.
so that
D.
until
【单选题】It is quite common for a working man to make ______ for his old age by putting aside enough money to live on.
A.
adjustment
B.
supply
C.
assurance
D.
provision
【单选题】With larger numbers of undergraduates than ever before, just having a degree will no longer be enough to make you ___ from the crowd.
A.
stand up
B.
stand by
C.
stand for
D.
stand out
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