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【判断题】
水生植物叶小而厚,多茸毛,叶的表皮细胞厚,角质层也发达
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】下列哪种氨基酸为含硫氨基酸
A.
Trp
B.
Thr
C.
Phe
D.
Met
E.
Pro
【判断题】时序逻辑电路无记忆功能,组合逻辑电路有记忆功能。( )
A.
正确
B.
错误
【多选题】Complete the passage with items from the box. 在空白处填上合适词汇的选项。
A.
everything
B.
difficult
C.
carefully
D.
teacher E .answer Learning a new language is 1 . Do you want to be a good learner? Here are a few ways. Listen to the 2 carefully in class. Listen to what the teacher says carefully , and then write them down. But you don ’ t need to write down 3 the teacher says. Practice more. Y ou should speak out a lot and 4 the questions as many as possible. Do your homework 5 . Exercises are important to you. If there is anything you don ’ t understand , ask the teacher at the next class.
【简答题】Listen to the new words and Text A of Unit 1 2. Read aloud the new words and Text A 3. Record your reading of paragraph 7: You have to finish reading paragraph 7 in 45 seconds; your reading should be ...
【简答题】Unit 4 Listening Task 4 Mr. Smith is reporting to a lost card to his bank. Listen to the conversation and answer the following questions. 1.When did Mr. Smith lose his card? 2. What information is nee...
【单选题】下列哪种氨基酸为含硫氨基酸
A.
丙氨酸
B.
苏氨酸
C.
组氨酸
D.
半胱氨酸
【单选题】下列哪种氨基酸为含硫氨基酸?( )
A.
蛋氨酸
B.
色氨酸
C.
苯丙氨酸
D.
苏氨酸
E.
脯氨酸
【判断题】时序电路无记忆功能,组合逻辑电路有记忆功能。()
A.
正确
B.
错误
【单选题】下列哪种氨基酸为含硫氨基酸
A.
色氨酸
B.
苏氨酸
C.
苯丙氨酸
D.
蛋氨酸
【单选题】下列哪种氨基酸为含硫氨基酸
A.
色氨酸
B.
苏氨酸
C.
苯丙氨酸
D.
蛋氨酸
E.
脯氨酸
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