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【单选题】
韭菜的上端是绿色的,而下端埋在土壤中的部分是白色的,其根本原因是 ( )A.
韭菜下端没有叶绿体
B.
叶绿素在光下才能形成
C.
叶的下部不能进行光合作用
D.
叶绿体在光下才能形成
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反馈参考答案：
举一反三
【判断题】Expressions like “green-hand”, “green wound”, and “green recruit”show that “green” connotates with the meaning of “being new” and “lacking knowledge” in English.
A.
正确
B.
错误
【单选题】Which of the following sayings is not about the meaning of friendship?
A.
Walking with a friend in the dark is better than walking alone in the light.
B.
A friend is someone who won’t stop until he finds you and brings you home.
C.
A True friend is a rock upon whom you can depend.
D.
A hedge between keeps friendship green .
【单选题】( )语句控制跳过循环体中的某些语句。当在循环体内执行到该语句时，程序将跳过循环体中所有剩下的语句，继续下一次循环
A.
break 语句
B.
continue 语句
C.
while 语句
D.
switch 语句
【简答题】....all dewy and glittering with a dozen shades of green at seven in the morning. (para.9) What's the meaning of "shades of green"?
【简答题】Explain the meaning of all colored arc showing on ASI, such as green, white, yellow arc and red line.
【单选题】What's the meaning of the expression " a green light"?
A.
approval to continue with a project
B.
a sign to stop
C.
better understanding
D.
make deep explorations
【单选题】在while语句的循环体中,执行break语句的效果是什么?
A.
结束当次 循环 的执行
B.
结束 while 语句的执行
C.
结束所有 循环 的执行
D.
以上均不是
【单选题】Directions: Choose the one that best completes the sentence, or fully expresses the meaning of the given word. My mother has a green thumb. Her garden yields a/an ( ) of flowers in the spring.
A.
proficiency
B.
profusion
C.
scarcity
D.
inadequacy
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