【名词&注释】
细胞核(cell nuclear)、细胞器(organelle)
[单选题]合轴分枝是最进化的分枝方式，而假二叉分枝是最原始的分枝方式。 ( )
A. 正确
B. 错误
查看答案&解析
点击获取本科目所有试题
举一反三：
[单选题]BRichardSolo 1800 Rechargeable Battery
A. In just minutes a day, plug in and charge your iPhone quickly!
B. Just plug RichardSolo 1800 into your iPhone once or twice a day, for fifteen minutes, and keep your iPhone charged up. At your desk, or at dinner, plug RichardSolo into iPhone to instantly transfer charge. No more battery worries. RichardSolo will charge iPhone to full 1.5 times, and it is good for 3-5 years of recharges.
C. Use the iPhone while charging it. Even charge the RichardSolo 1800 and iPhone together at the same time. Take only one charger when traveling and wake up in the morning with the RichardSolo and the iPhone charged.
D. RichardSolo 1800 is largest in its class and holds its charge for months. Works with almost all iPhone cases.
E. Your satisfaction is guaranteed, with our 30-day return privilege. If you’re not satisfied for any reason, we’ll email you a pre-paid return label.
F. Actual customer comments:
G. To have your company exhibit such good service is unbelievably refreshing. — P.S.
H. C．
I. You have provided me one of the best services I have ever seen on any online/ telephone shopping. — T.K.
K. This is the best customer service experience I have had in a long time. — L.L.
L. L.
M. 61. How long does it take the battery to charge up an iPhone?
N. 15 minutes. B． 30 minutes. C． 1.5 hours. D． 3 hours.
[单选题]Who might be most interested in this piece of information?
A. Job hunters.
B. Employees in blue-chip companies.
C. Mid-level managers.
D. Researchers on employee turnover.
[单选题]A notice was _____in order to remind the students of the changed lecture time.
A. sent up
B. given up
C. set up
D. put up
[单选题]CAlong the river banks of the Amazon and the Orinoco there lives a bird that swims before it can fly, flies like a fat chicken, eats green leaves, has the stomach of a cow and has claws (爪) on its wings when young. They build their homes about 4.6m above the river, an important feature (特征) for the safety of the young. It is called the hoatzin. In appearance, the birds of both sexes look very much alike with brown on the back and cream and red on the underside. The head is small, with a large set of feathers on the top, bright red eyes, and blue skin. Its nearest relatives are the common birds, cuckoos. Its most striking feature, though, is only found in the young. Baby hoatzins have a claw on the leading edge of each wing and another at the end of each wing tip. Using these four claws, together with the beak (喙), they can climb about in the bushes, looking very much like primitive birds must have done. When the young hoatzins have learned to fly, they lose their claws. During the drier months between December and March hoatzins fly about the forest in groups of 20 to 30 birds, but in April, when the rainy season begins, they collect together in smaller living units of two to seven birds for producing purposes.
A. What is the text mainly about?
B. Hoatzins in dry and rainy seasons.
C. The relatives and enemies of hoatzins.
D. Primitive birds and hoatzins of the Amazon.
E. The appearance and living habits of hoatzins.
[单选题]
A. modestly
B. naturally
C. inaccurately
D. inappropriately
[单选题]Now that we\'ve discussed our problem, are people happy with the decisions_________？
A. taking
B. take
C. taken
D. to take
[单选题]细胞中无成形的细胞核，且无细胞器的藻类是( )。
A. 绿藻
B. 轮藻
C. 蓝藻
D. 红藻
[单选题]43_____.
A. hosts
B. visitors
C. readers
D. reporters
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