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【多选题】
高效液相色谱法检查地西中有关物质,下列选项中与该检查内容有是()。A.
采用高效液相色谱法检查
B.
主成分自身对照法
C.
十八烷基硅合硅胶
D.
甲醇-流动性
E.
荧光检测器
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】When there are small children around, it is necessary to put bottles of pills out of _____. (A) reach (C) hold (B) hand (D) place
【单选题】When there are small children around, it is necessary to put bottles of pills out of
A.
hand
B.
hold
C.
place
D.
reach
【单选题】I was late for class yesterday there was something wrong with my bike.
A.
when
B.
that
C.
until
D.
because
【简答题】I ______(想知道)why Tom was late yesterday.
【简答题】What's the _(天气)like in Beijing? My favorite _(水果)is apple. Autumn is the _(收获)time. The flowers_ _(生长出来)in spring. I was late yesterday_ _(因为)the bad traffic. In spring,everything _(开始)to grow. Doing...
【单选题】It is necessary to put bottles of pills out of ______ when there are small children around.
A.
reach
B.
hand
C.
hold
D.
place
【单选题】When there are small children around, it is necessary to put bottles of pills out of ______.
A.
hold
B.
reach
C.
place
D.
hand
【简答题】When there are small children around, it is necessary to put bottles of pills out of ________. A) reach B) hand C) hold D) place
【简答题】What ’ s the ______( 天气 ) like in Beijing? 2. My favorite ____( 水果 ) is apple? 3. Autumn is the ______( 收获 ) time. 4. The flowers_______( 生长出来 ) in spring. 5. I was late yesterday_____( 因为 ) the bad t...
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