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【单选题】
下列是关于几类生物的特点的叙述,正确的是( )A.
大肠杆菌和酵母菌的细胞内都没有以核膜为界限的细胞核
B.
醋酸杆菌细胞和人肝细胞都为细胞，都包括细胞膜、细胞质和细胞核
C.
颤藻与发菜都能进行光合作用，但颤藻含光合色素，而发菜细胞中含叶绿体
D.
细菌和蓝藻在结构上有统一性，细胞壁、细胞膜、核糖体和核酸等
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反馈参考答案：
举一反三
【单选题】He smiled and waved to the crowds _______ him,
A.
waited for
B.
waiting for
C.
waited
D.
waiting
【单选题】The president said that he would cancel the visit, ______ that he was waiting for a better time.
A.
having added
B.
to add
C.
adding
D.
added
【单选题】Allen said that he won't mind ______.
A.
to wait for us
B.
for waiting us
C.
him waiting for us
D.
wait for us
【单选题】What does George think about the long waiting?
A.
He thinks it terrific.
B.
He thinks the waiting is worthy.
C.
He feels comfortable waiting so long.
D.
He feels disgusted.
【简答题】What does the man think about the long waiting? [A] He thinks it terrific. [B] He thinks the waiting is worthy. [C] He feels comfortable waiting so long. [D] He feels disgusted.
【单选题】历史活动课上,李明同学在扮演孔子时所说的台词应该是
A.
学而时习之，不亦说乎
B.
“兼爱” “非攻”
C.
祸兮，福之所依；福兮，祸之所伏
D.
知彼知己者，百战不殆
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