It can be inferred from the passage that which of the following presents the greatest danger to diver?
A) Pressurized helium.
B) Nitrogen diffusion.
C) Nitrogen bubbles.
D) An air embolism.
第1题:
A.CAN 2.0A,CAN 2.0C
B.CAN 2.0C
C.CAN 2.0B,CAN 2.0C
D.CAN 2.0A,CAM 2.0B
第2题:
You will want two trees about ten feet apart, from _____ to suspend your tent.
(A) there (C) which
(B) them (D) where
选择D
可改写为you will want two tress about ten feet apart, to suspend your tent from.
只要有介词摆在空格之前,选项是which, them ,there ,where肯定是which
介词+which+动词不定式,整体做定语
第3题:
执行语句"GREATEST(10,9,128,1)"结果为( )。
A.128
B.1
C.10
D.9
第4题:
You will want two trees about ten feet apart, from _____ to suspend your tent.
(A) there (C) which
(B) them (D) where
选D
可改写为you will want two tress about ten feet apart, to suspend your tent from.
只要有介词摆在空格之前,选项是which, them ,there ,where肯定是which
介词+which+动词不定式,整体做定语
第5题:
A. Greatest, Final, Sequential
B. Full, Partial, Incremental
C. Monthly, Weekly, Daily
D. Full, Differential, Incremental
第6题:
---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.
--- - No, it ________ be him. He is holding a meeting in the office now.
A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t