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【判断题】
中性粒细胞和巨噬细胞一样具有很强的趋化作用和吞噬功能,其吞噬对象以细菌为主,也吞噬异物。
A.
正确
B.
错误
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【简答题】甲公司2016年6月6日销售产品一批,货款为1000万元,增值税税率为17%,该公司为增值税一般纳税人。销售当日公司收到购货方寄来的一张3个月到期的商业承兑汇票,则甲公司应收票据的入账金额是( )万元 A 、170 B、830 C、1170 D、1000
【简答题】听短文,根据所听内容选择最佳答案。短文读两遍。 1. Who was Mr Green? [     ] A. The new head. B. The new teacher. C. The new student. 2. Why did Mr Green go around the school? [     ] A. To enjoy the quiet school. B. T...
【简答题】听对话,回答问题。 1. When did the girl come back home? A. On Saturday. B. On Friday. C. On Wednesday. 2. What's the dialogue mainly about? A. The girl's vacation. B. The girl's parents. C. The girl's interest...
【简答题】今有0.10mol·L -1 甲酸与等浓度的氯化铵的混合液。选择哪种指示剂?(HCOOH的K a =1.8×10 -4 ,NH 3 的K b =1.8×10 -5 )
【多选题】严禁利用网络( )他人及传播不健康的文字图片信息。
A.
造谣
B.
传谣
C.
侮辱
D.
诽谤
E.
恐吓
【单选题】NH 3 的 K b =1.8×10 -5 ,0.1mol/L NH 3 溶液的 pH 为( )。
A.
2.87
B.
2.22
C.
11.13
D.
11.78
【简答题】关于母乳喂养的优点,下列哪项正确:
【单选题】The boy liked ______ very much.
A.
his family living by the sea
B.
walking to his uncle's house every day
C.
swimming in the sea
D.
staying in the sea and fishing
【单选题】已知NH 3 的K b =1.8×10 -5 ;则NH 4 + 的Ka是: ( )
A.
9.25;
B.
5.6×10 -10 ;
C.
1.00×10 -14 ;
D.
4.24×10 -3
【单选题】As a little boy, there was nothing I liked better than Sunday afternoons on my grandfather’s farm. 1 by miles of winding stonewalls, the house and barn provided endless hours of 2 for a city kid like ...
A.
Crowded
B.
Surrounded
C.
Covered
D.
Blocked
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