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【单选题】
设 G 是有 n 个结点 m 条边的连通平面图,且有 f 个面,则 f 等于( )。A.
m － n ＋ 2
B.
n-m+2
C.
n+m-2
D.
m+n+2
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【单选题】A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing? ______.
A.
Shift weight to the bow
B.
Shift weight to the center of the boat
C.
Shift weight to the stern
D.
Throw excess weight overboard
【单选题】Look at this bar chart. What time does it show? What tense would you use?
A.
present tense
B.
past tense
C.
future tense
【多选题】What tense is often adopted in the storytelling?
A.
Past tense
B.
Present tense
C.
Future tense
D.
Present progressive tense
【单选题】Look at this bar chart. What time does it show? What tense would you use?
A.
present tense
B.
past tense
C.
future tense
【单选题】男,17岁。旅游中出现腹泻、脐周痛2天,发热1天。大便5~10次/日,有排便不尽感,粪便中混有脓液。查体:T38.2°C,P90次/分,BP96/60mmHg。腹软,脐周及左下腹压痛阳性,无反跳痛。该患者首选的进一步检查是:
A.
直肠指检
B.
. 血培养
C.
结肠镜
D.
粪常规
E.
X 线钡剂灌肠
【简答题】What tense you should choose in meeting minutes?
【单选题】Look at this pie chart. What time does it show? Which tense would you choose?
A.
present tense
B.
past tense
C.
future tense
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